12996539 has 2 divisors, whose sum is σ = 12996540. Its totient is φ = 12996538.

The previous prime is 12996523. The next prime is 12996547. The reversal of 12996539 is 93569921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12996539 - 2⁴ = 12996523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12996539.

It is not a weakly prime, because it can be changed into another prime (12996559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6498269 + 6498270.

It is an arithmetic number, because the mean of its divisors is an integer number (6498270).

Almost surely, 2^12996539 is an apocalyptic number.

12996539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12996539 is an equidigital number, since it uses as much as digits as its factorization.

12996539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 44.

The square root of 12996539 is about 3605.0712891703. The cubic root of 12996539 is about 235.1126003319.

The spelling of 12996539 in words is "twelve million, nine hundred ninety-six thousand, five hundred thirty-nine".