12620624 has 10 divisors (see below), whose sum is σ = 24452490. Its totient is φ = 6310304.

The previous prime is 12620623. The next prime is 12620633. The reversal of 12620624 is 42602621.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 5438224 = 2680^2 + 2332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12620624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394379 + ... + 394410.

It is an arithmetic number, because the mean of its divisors is an integer number (2445249).

Almost surely, 2^12620624 is an apocalyptic number.

It is an amenable number.

12620624 is a deficient number, since it is larger than the sum of its proper divisors (11831866).

12620624 is an equidigital number, since it uses as much as digits as its factorization.

12620624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788797 (or 788791 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12620624 is about 3552.5517589474. The cubic root of 12620624 is about 232.8235692138.

The spelling of 12620624 in words is "twelve million, six hundred twenty thousand, six hundred twenty-four".