12810904 has 32 divisors (see below), whose sum is σ = 24837120. Its totient is φ = 6191136.

The previous prime is 12810899. The next prime is 12810913. The reversal of 12810904 is 40901821.

It is a happy number.

12810904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12810904² = 328238522594432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57337 + ... + 57559.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

Almost surely, 2^12810904 is an apocalyptic number.

It is an amenable number.

12810904 is a deficient number, since it is larger than the sum of its proper divisors (12026216).

12810904 is a wasteful number, since it uses less digits than its factorization.

12810904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12810904 is about 3579.2323199256. The cubic root of 12810904 is about 233.9878241406.

The spelling of 12810904 in words is "twelve million, eight hundred ten thousand, nine hundred four".