12931204 has 72 divisors (see below), whose sum is σ = 28038528. Its totient is φ = 5166720.

The previous prime is 12931199. The next prime is 12931213. The reversal of 12931204 is 40213921.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275109 + ... + 275155.

It is an arithmetic number, because the mean of its divisors is an integer number (389424).

Almost surely, 2^12931204 is an apocalyptic number.

It is an amenable number.

12931204 is an abundant number, since it is smaller than the sum of its proper divisors (15107324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12931204 is a wasteful number, since it uses less digits than its factorization.

12931204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12931204 is about 3595.9983314790. The cubic root of 12931204 is about 234.7179595106.

The spelling of 12931204 in words is "twelve million, nine hundred thirty-one thousand, two hundred four".