| Nominal | 12491 |
| Cardinal | twelve thousand four hundred ninety-one |
Cardinal twelve thousand four hundred ninety-one | |
| Ordinal | 12,491st |
| Number of digits | 5 |
| Sum of digits | 17 |
| Product of digits | 72 |
| Number parity | Odd |
| Prime factorization | 12491 |
| Prime factors | 12491 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 12491 |
| Product of prime factors | 12491 |
| Is 12491 a prime number? | Yes |
| Is 12491 a semiprime number? | No |
| Is 12491 a Chen prime number? | No |
| Is 12491 a Mersenne prime number? | No |
| Is 12491 a Catalan number? | No |
| Is 12491 a Fibonacci number? | No |
| Is 12491 a Idoneal number? | No |
| Square of 12491 (n2) | 156025081 |
| Cube of 12491 (n3) | 1948909286771 |
| Square root of 12491 | 111.76314240392 |
| Natural Logarithm (ln) of 12491 | 9.4327636639659 |
| Decimal Logarithm (log) of 12491 | 4.0965972083579 |
| Sine of 12491 | 0.02760581946611 |
| Cosecant of 12491 | 36.224246167648 |
| Cosine of 12491 | 0.99961888674214 |
| Secant of 12491 | 1.0003812585605 |
| Tangent of 12491 | 0.027616344421102 |
| Cotangent of 12491 | 36.210440627178 |
| The spelling of 12491 in words is "twelve thousand four hundred ninety-one", meaning that: |
| 12491 is not an aban number (as it contains the letter a) |
| 12491 is not an eban number (as it contains the letter e) |
| 12491 is not an iban number (as it contains the letter i) |
| 12491 is not an oban number (as it contains the letter o) |
| 12491 is not a tban number (as it contains the letter t) |
| 12491 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১২৪৯১ |
| Eastern Arabic numerals | ١٢٬٤٩١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓍥𓎎𓏺 |
| Khmer numerals | ១២៤៩១ |
| Japanese numerals | 一万二千四百九十一 |
| Roman numerals | n/a |
| Thai numerals | ๑๒๔๙๑ |
| Arabic | إثنا عشر ألف و أربعة مائة و واحد و تسعون |
| Croatian | dvanaest tisuća četiristo devedeset i jedan |
| Czech | dvanáct tisíc čtyři sta devadesát jeden |
| Danish | tolv tusinde fire hundrede en og halvfems |
| Dutch | twaalfduizend vierhonderdéénennegentig |
| Estonian | akpe wuieve alafa ene blaasieke vɔ ɖekɛ |
| Faroese | tólv tusin og fýrehundraðognítiein |
| Filipino | labíng-dalawáng libó’t ápat na daán at siyám na pû’t isá |
| Finnish | kaksitoistatuhattaneljäsataayhdeksänkymmentäyksi |
| French | douze mille quatre cent quatre-vingt-onze |
| Greek | δώδεκα χίλιάδες τετρακόσια εννενήντα ένα |
| German | zwölftausendvierhunderteinundneunzig |
| Hebrew | שניים עשר אלף ארבע מאות תשעים ואחת |
| Hindi | बारह हज़ार चार सौ इक्यानबे |
| Hungarian | tizenkettőezernégyszázkilencvenegy |
| Icelandic | tólf þúsund og fjögurhundrað og níutíu og einn |
| Indonesian | dua belas ribu empat ratus sembilan puluh satu |
| Italian | dodicimilaquattrocentonovantuno |
| Japanese | 一万二千四百九十一 |
| Korean | 만 이천사백구십일 |
| Latvian | divpadsmit tūkstoši četrsimt deviņdesmit viens |
| Lithuanian | dvylika tūkstančių keturi šimtai devyniasdešimt vienas |
| Norwegian | tolv tusen fire hundre og nittién |
| Persian | دوازده هزار و چهارصد و نود و یک |
| Polish | dwanaście tysięcy czterysta dziewięćdziesiąt jeden |
| Portuguese | doze mil quatrocentos e noventa e um |
| Romanian | douăsprezece mii patru sute nouăzeci şi unu |
| Russian | двенадцать тысяч четыреста девяносто один |
| Serbian | дванаест хиљада четиристо деведесет и један |
| Slovak | dvanásť tisíc štyristo deväťdesiatjeden |
| Slovene | dvanajst tisuću štiristo devetdeset ena |
| Spanish | doce mil cuatrocientos noventa y uno |
| Swahili | elfu kumi na mbili, mia nne na tisini na moja |
| Swedish | tolvtusenfyrahundranittioen |
| Thai | หนึ่งหมื่นสองพันสี่ร้อยเก้าสิบเอ็ด |
| Turkish | on iki bin dört yüz doksan bir |
| Ukrainian | дванадцять тисяч чотириста девʼяносто один |
| Vietnamese | mười hai nghìn bốn trăm chín mươi mốt |
| Number 12491 reversed | 19421 | |
| Unicode Character | U+30CB | ニ |
| Unix Timestamp | Thu, 01 Jan 1970 03:28:11 +0000 | |