12904404 has 24 divisors (see below), whose sum is σ = 30209088. Its totient is φ = 4287360.

The previous prime is 12904399. The next prime is 12904447. The reversal of 12904404 is 40440921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449 + ... + 5639.

It is an arithmetic number, because the mean of its divisors is an integer number (1258712).

Almost surely, 2^12904404 is an apocalyptic number.

It is an amenable number.

12904404 is an abundant number, since it is smaller than the sum of its proper divisors (17304684).

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

12904404 is a wasteful number, since it uses less digits than its factorization.

12904404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12904404 is about 3592.2700343933. The cubic root of 12904404 is about 234.5556958888. Note that the first 3 decimals are identical.

The spelling of 12904404 in words is "twelve million, nine hundred four thousand, four hundred four".