13119539 has 2 divisors, whose sum is σ = 13119540. Its totient is φ = 13119538.

The previous prime is 13119527. The next prime is 13119559. The reversal of 13119539 is 93591131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13119539 - 2⁸ = 13119283 is a prime.

It is a Sophie Germain prime.

It is equal to p₈₅₆₄₅₄ and since 13119539 and 856454 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13119559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6559769 + 6559770.

It is an arithmetic number, because the mean of its divisors is an integer number (6559770).

Almost surely, 2^13119539 is an apocalyptic number.

13119539 is a deficient number, since it is larger than the sum of its proper divisors (1).

13119539 is an equidigital number, since it uses as much as digits as its factorization.

13119539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 32.

The square root of 13119539 is about 3622.0904185291. The cubic root of 13119539 is about 235.8519791418.

The spelling of 13119539 in words is "thirteen million, one hundred nineteen thousand, five hundred thirty-nine".