| Nominal | 12381 |
| Cardinal | twelve thousand three hundred eighty-one |
Cardinal twelve thousand three hundred eighty-one | |
| Ordinal | 12,381st |
| Number of digits | 5 |
| Sum of digits | 15 |
| Product of digits | 48 |
| Number parity | Odd |
| Prime factorization | 3 x 4127 |
| Prime factors | 3, 4127 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 4130 |
| Product of prime factors | 12381 |
| Is 12381 a prime number? | No |
| Is 12381 a semiprime number? | Yes |
| Is 12381 a Chen prime number? | No |
| Is 12381 a Mersenne prime number? | No |
| Is 12381 a Catalan number? | No |
| Is 12381 a Fibonacci number? | No |
| Is 12381 a Idoneal number? | No |
| Square of 12381 (n2) | 153289161 |
| Cube of 12381 (n3) | 1897873102341 |
| Square root of 12381 | 111.26994203288 |
| Natural Logarithm (ln) of 12381 | 9.4239183184207 |
| Decimal Logarithm (log) of 12381 | 4.0927557235971 |
| Sine of 12381 | 0.01664702839864 |
| Cosecant of 12381 | 60.070781166068 |
| Cosine of 12381 | -0.99986142862173 |
| Secant of 12381 | -1.000138590583 |
| Tangent of 12381 | -0.01664933552001 |
| Cotangent of 12381 | -60.062457075128 |
| The spelling of 12381 in words is "twelve thousand three hundred eighty-one", meaning that: |
| 12381 is not an aban number (as it contains the letter a) |
| 12381 is not an eban number (as it contains the letter e) |
| 12381 is not an iban number (as it contains the letter i) |
| 12381 is not an oban number (as it contains the letter o) |
| 12381 is not a tban number (as it contains the letter t) |
| 12381 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১২৩৮১ |
| Eastern Arabic numerals | ١٢٬٣٨١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓍤𓎍𓏺 |
| Khmer numerals | ១២៣៨១ |
| Japanese numerals | 一万二千三百八十一 |
| Roman numerals | n/a |
| Thai numerals | ๑๒๓๘๑ |
| Arabic | إثنا عشر ألف و ثلاثة مائة و واحد و ثمانون |
| Croatian | dvanaest tisuća tristo osamdeset i jedan |
| Czech | dvanáct tisíc tři sta osmdesát jeden |
| Danish | tolv tusinde tre hundrede en og firs |
| Dutch | twaalfduizend driehonderdéénentachtig |
| Estonian | akpe wuieve alafa etɔ̃ blaenyi vɔ ɖekɛ |
| Faroese | tólv tusin og trýhundraðogáttatiein |
| Filipino | labíng-dalawáng libó’t tatlóng daán at walóng pû’t isá |
| Finnish | kaksitoistatuhattakolmesataakahdeksankymmentäyksi |
| French | douze mille trois cent quatre-vingt-un |
| Greek | δώδεκα χίλιάδες τριακόσια ογδόντα ένα |
| German | zwölftausenddreihunderteinundachtzig |
| Hebrew | שניים עשר אלף שלוש מאות שמונים ואחת |
| Hindi | बारह हज़ार तीन सौ इक्यासी |
| Hungarian | tizenkettőezerháromszáznyolcvanegy |
| Icelandic | tólf þúsund og þrjúhundrað og áttatíu og einn |
| Indonesian | dua belas ribu tiga ratus delapan puluh satu |
| Italian | dodicimilatrecentoottantuno |
| Japanese | 一万二千三百八十一 |
| Korean | 만 이천삼백팔십일 |
| Latvian | divpadsmit tūkstoši trīssimt astoņdesmit viens |
| Lithuanian | dvylika tūkstančių trys šimtai aštuoniasdešimt vienas |
| Norwegian | tolv tusen tre hundre og åttién |
| Persian | دوازده هزار و سیصد و هشتاد و یک |
| Polish | dwanaście tysięcy trzysta osiemdziesiąt jeden |
| Portuguese | doze mil trezentos e oitenta e um |
| Romanian | douăsprezece mii trei sute optzeci şi unu |
| Russian | двенадцать тысяч триста восемьдесят один |
| Serbian | дванаест хиљада триста осамдесет и један |
| Slovak | dvanásť tisíc tristo osemdesiatjeden |
| Slovene | dvanajst tisuću tristo osemdeset ena |
| Spanish | doce mil trescientos ochenta y uno |
| Swahili | elfu kumi na mbili, mia tatu na themanini na moja |
| Swedish | tolvtusentrehundraåttioen |
| Thai | หนึ่งหมื่นสองพันสามร้อยแปดสิบเอ็ด |
| Turkish | on iki bin üç yüz seksen bir |
| Ukrainian | дванадцять тисяч триста вісімдесят один |
| Vietnamese | mười hai nghìn ba trăm tám mươi mốt |
| Number 12381 reversed | 18321 | |
| Unicode Character | U+305D | そ |
| Unix Timestamp | Thu, 01 Jan 1970 03:26:21 +0000 | |