12608720 has 30 divisors (see below), whose sum is σ = 29389302. Its totient is φ = 5030784.

The previous prime is 12608711. The next prime is 12608767. The reversal of 12608720 is 2780621.

It can be written as a sum of positive squares in 3 ways, for example, as 2849344 + 9759376 = 1688^2 + 3124^2 .

It is a hoax number, since the sum of its digits (26) 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 12608720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31562 + ... + 31958.

Almost surely, 2^12608720 is an apocalyptic number.

12608720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12608720 is an abundant number, since it is smaller than the sum of its proper divisors (16780582).

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

12608720 is an frugal number, since it uses more digits than its factorization.

12608720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12608720 is about 3550.8759482697. The cubic root of 12608720 is about 232.7503450581.

The spelling of 12608720 in words is "twelve million, six hundred eight thousand, seven hundred twenty".