12679881 has 8 divisors (see below), whose sum is σ = 17138400. Its totient is φ = 8337312.

The previous prime is 12679871. The next prime is 12679903. The reversal of 12679881 is 18897621.

12679881 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12679881 - 2⁷ = 12679753 is a prime.

It is a super-2 number, since 2×12679881² = 321558764348322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12679811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28731 + ... + 29168.

It is an arithmetic number, because the mean of its divisors is an integer number (2142300).

Almost surely, 2^12679881 is an apocalyptic number.

It is an amenable number.

12679881 is a deficient number, since it is larger than the sum of its proper divisors (4458519).

12679881 is an equidigital number, since it uses as much as digits as its factorization.

12679881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57975.

The product of its digits is 48384, while the sum is 42.

The square root of 12679881 is about 3560.8820536491. The cubic root of 12679881 is about 233.1873887795.

The spelling of 12679881 in words is "twelve million, six hundred seventy-nine thousand, eight hundred eighty-one".