13132939 has 2 divisors, whose sum is σ = 13132940. Its totient is φ = 13132938.

The previous prime is 13132913. The next prime is 13132961. The reversal of 13132939 is 93923131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13132939 - 2⁵ = 13132907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13132939.

It is not a weakly prime, because it can be changed into another prime (13132979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566469 + 6566470.

It is an arithmetic number, because the mean of its divisors is an integer number (6566470).

Almost surely, 2^13132939 is an apocalyptic number.

13132939 is a deficient number, since it is larger than the sum of its proper divisors (1).

13132939 is an equidigital number, since it uses as much as digits as its factorization.

13132939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 31.

The square root of 13132939 is about 3623.9397070040. The cubic root of 13132939 is about 235.9322497757.

The spelling of 13132939 in words is "thirteen million, one hundred thirty-two thousand, nine hundred thirty-nine".