12564680 has 16 divisors (see below), whose sum is σ = 28270620. Its totient is φ = 5025856.

The previous prime is 12564679. The next prime is 12564697. The reversal of 12564680 is 8646521.

It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 188356 = 3518^2 + 434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157019 + ... + 157098.

Almost surely, 2^12564680 is an apocalyptic number.

12564680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12564680 is an abundant number, since it is smaller than the sum of its proper divisors (15705940).

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

12564680 is a wasteful number, since it uses less digits than its factorization.

12564680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314128 (or 314124 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 12564680 is about 3544.6692370375. The cubic root of 12564680 is about 232.4790438583.

The spelling of 12564680 in words is "twelve million, five hundred sixty-four thousand, six hundred eighty".