12879931 has 8 divisors (see below), whose sum is σ = 14230944. Its totient is φ = 11594880.

The previous prime is 12879913. The next prime is 12879941. The reversal of 12879931 is 13997821.

12879931 is digitally balanced in base 3, because in such base 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 a cyclic number.

It is not a de Polignac number, because 12879931 - 2¹¹ = 12877883 is a prime.

It is a super-2 number, since 2×12879931² = 331785245129522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12879941) 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, 16080 + ... + 16861.

It is an arithmetic number, because the mean of its divisors is an integer number (1778868).

Almost surely, 2^12879931 is an apocalyptic number.

12879931 is a deficient number, since it is larger than the sum of its proper divisors (1351013).

12879931 is a wasteful number, since it uses less digits than its factorization.

12879931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32981.

The product of its digits is 27216, while the sum is 40.

The square root of 12879931 is about 3588.8620759232. The cubic root of 12879931 is about 234.4073249875.

The spelling of 12879931 in words is "twelve million, eight hundred seventy-nine thousand, nine hundred thirty-one".