12372539 has 2 divisors, whose sum is σ = 12372540. Its totient is φ = 12372538.

The previous prime is 12372527. The next prime is 12372559. The reversal of 12372539 is 93527321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12372539 - 2⁴ = 12372523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12372559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186269 + 6186270.

It is an arithmetic number, because the mean of its divisors is an integer number (6186270).

Almost surely, 2^12372539 is an apocalyptic number.

12372539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12372539 is an equidigital number, since it uses as much as digits as its factorization.

12372539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 12372539 is about 3517.4620111666. The cubic root of 12372539 is about 231.2879164514.

The spelling of 12372539 in words is "twelve million, three hundred seventy-two thousand, five hundred thirty-nine".