12904452 has 36 divisors (see below), whose sum is σ = 35586096. Its totient is φ = 3910320.

The previous prime is 12904447. The next prime is 12904457. The reversal of 12904452 is 25440921.

It is an interprime number because it is at equal distance from previous prime (12904447) and next prime (12904457).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (12904457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15898 + ... + 16689.

Almost surely, 2^12904452 is an apocalyptic number.

12904452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12904452 is an abundant number, since it is smaller than the sum of its proper divisors (22681644).

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

12904452 is a wasteful number, since it uses less digits than its factorization.

12904452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32608 (or 32603 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12904452 is about 3592.2767153993. The cubic root of 12904452 is about 234.5559867110. Note that the first 3 decimals are identical.

The spelling of 12904452 in words is "twelve million, nine hundred four thousand, four hundred fifty-two".