12624660 has 60 divisors (see below), whose sum is σ = 39609108. Its totient is φ = 3366144.

The previous prime is 12624649. The next prime is 12624713. The reversal of 12624660 is 6642621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9253764 + 3370896 = 3042^2 + 1836^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2277 + ... + 5516.

Almost surely, 2^12624660 is an apocalyptic number.

12624660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12624660 is an abundant number, since it is smaller than the sum of its proper divisors (26984448).

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

12624660 is a wasteful number, since it uses less digits than its factorization.

12624660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814 (or 7803 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12624660 is about 3553.1197559328. The cubic root of 12624660 is about 232.8483850965.

The spelling of 12624660 in words is "twelve million, six hundred twenty-four thousand, six hundred sixty".