13297139 has 2 divisors, whose sum is σ = 13297140. Its totient is φ = 13297138.

The previous prime is 13297133. The next prime is 13297147. The reversal of 13297139 is 93179231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13297139 - 2⁸ = 13296883 is a prime.

It is equal to p₈₆₇₂₉₃ and since 13297139 and 867293 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13297099 and 13297108.

It is not a weakly prime, because it can be changed into another prime (13297133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6648569 + 6648570.

It is an arithmetic number, because the mean of its divisors is an integer number (6648570).

Almost surely, 2^13297139 is an apocalyptic number.

13297139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13297139 is an equidigital number, since it uses as much as digits as its factorization.

13297139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 13297139 is about 3646.5242354878. The cubic root of 13297139 is about 236.9114602180.

The spelling of 13297139 in words is "thirteen million, two hundred ninety-seven thousand, one hundred thirty-nine".