12578672 has 10 divisors (see below), whose sum is σ = 24371208. Its totient is φ = 6289328.

The previous prime is 12578611. The next prime is 12578681. The reversal of 12578672 is 27687521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393068 + ... + 393099.

Almost surely, 2^12578672 is an apocalyptic number.

It is an amenable number.

12578672 is a deficient number, since it is larger than the sum of its proper divisors (11792536).

12578672 is an equidigital number, since it uses as much as digits as its factorization.

12578672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786175 (or 786169 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 12578672 is about 3546.6423558064. The cubic root of 12578672 is about 232.5653078956.

The spelling of 12578672 in words is "twelve million, five hundred seventy-eight thousand, six hundred seventy-two".