12624617 has 2 divisors, whose sum is σ = 12624618. Its totient is φ = 12624616.

The previous prime is 12624613. The next prime is 12624629. The reversal of 12624617 is 71642621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7678441 + 4946176 = 2771^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 12624617 - 2² = 12624613 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12624617.

It is not a weakly prime, because it can be changed into another prime (12624613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312308 + 6312309.

It is an arithmetic number, because the mean of its divisors is an integer number (6312309).

Almost surely, 2^12624617 is an apocalyptic number.

It is an amenable number.

12624617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12624617 is an equidigital number, since it uses as much as digits as its factorization.

12624617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 12624617 is about 3553.1137049073. The cubic root of 12624617 is about 232.8481207332.

The spelling of 12624617 in words is "twelve million, six hundred twenty-four thousand, six hundred seventeen".