12614639 has 2 divisors, whose sum is σ = 12614640. Its totient is φ = 12614638.

The previous prime is 12614633. The next prime is 12614653. The reversal of 12614639 is 93641621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12614639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12614633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6307319 + 6307320.

It is an arithmetic number, because the mean of its divisors is an integer number (6307320).

Almost surely, 2^12614639 is an apocalyptic number.

12614639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12614639 is an equidigital number, since it uses as much as digits as its factorization.

12614639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 12614639 is about 3551.7093067986. The cubic root of 12614639 is about 232.7867599037.

The spelling of 12614639 in words is "twelve million, six hundred fourteen thousand, six hundred thirty-nine".