12704680 has 16 divisors (see below), whose sum is σ = 28585620. Its totient is φ = 5081856.

The previous prime is 12704663. The next prime is 12704693. The reversal of 12704680 is 8640721.

12704680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10227204 + 2477476 = 3198^2 + 1574^2 .

It is a super-2 number, since 2×12704680² = 322817787804800, which contains 22 as substring.

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, 158769 + ... + 158848.

Almost surely, 2^12704680 is an apocalyptic number.

12704680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12704680 is an abundant number, since it is smaller than the sum of its proper divisors (15880940).

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

12704680 is a wasteful number, since it uses less digits than its factorization.

12704680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317628 (or 317624 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12704680 is about 3564.3624955944. The cubic root of 12704680 is about 233.3393105045.

The spelling of 12704680 in words is "twelve million, seven hundred four thousand, six hundred eighty".