12904396 has 6 divisors (see below), whose sum is σ = 22582700. Its totient is φ = 6452196.

The previous prime is 12904373. The next prime is 12904399. The reversal of 12904396 is 69340921.

It is a super-2 number, since 2×12904396² = 333046872249632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12904399) by changing a digit.

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 as a sum of consecutive naturals, namely, 1613046 + ... + 1613053.

Almost surely, 2^12904396 is an apocalyptic number.

It is an amenable number.

12904396 is a deficient number, since it is larger than the sum of its proper divisors (9678304).

12904396 is a wasteful number, since it uses less digits than its factorization.

12904396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226103 (or 3226101 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12904396 is about 3592.2689208911. The cubic root of 12904396 is about 234.5556474184. Note that the first 3 decimals are identical.

The spelling of 12904396 in words is "twelve million, nine hundred four thousand, three hundred ninety-six".