12904464 has 20 divisors (see below), whose sum is σ = 33336656. Its totient is φ = 4301472.

The previous prime is 12904459. The next prime is 12904469. The reversal of 12904464 is 46440921.

It is an interprime number because it is at equal distance from previous prime (12904459) and next prime (12904469).

It is a super-2 number, since 2×12904464² = 333050382254592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12904469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134374 + ... + 134469.

Almost surely, 2^12904464 is an apocalyptic number.

It is an amenable number.

12904464 is an abundant number, since it is smaller than the sum of its proper divisors (20432192).

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

12904464 is a wasteful number, since it uses less digits than its factorization.

12904464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268854 (or 268848 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 12904464 is about 3592.2783856489. The cubic root of 12904464 is about 234.5560594164.

The spelling of 12904464 in words is "twelve million, nine hundred four thousand, four hundred sixty-four".