12904372 has 12 divisors (see below), whose sum is σ = 24319876. Its totient is φ = 5955840.

The previous prime is 12904369. The next prime is 12904373. The reversal of 12904372 is 27340921.

It can be written as a sum of positive squares in 2 ways, for example, as 7540516 + 5363856 = 2746^2 + 2316^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12904372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904373) 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 in 3 ways as a sum of consecutive naturals, for example, 124029 + ... + 124132.

Almost surely, 2^12904372 is an apocalyptic number.

It is an amenable number.

12904372 is a deficient number, since it is larger than the sum of its proper divisors (11415504).

12904372 is a wasteful number, since it uses less digits than its factorization.

12904372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248178 (or 248176 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12904372 is about 3592.2655803824. The cubic root of 12904372 is about 234.5555020070. Note that the first 4 decimals are identical.

The spelling of 12904372 in words is "twelve million, nine hundred four thousand, three hundred seventy-two".