13031339 has 2 divisors, whose sum is σ = 13031340. Its totient is φ = 13031338.

The previous prime is 13031329. The next prime is 13031351. The reversal of 13031339 is 93313031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13031339 - 2¹² = 13027243 is a prime.

It is a super-2 number, since 2×13031339² = 339631592265842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13031309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515669 + 6515670.

It is an arithmetic number, because the mean of its divisors is an integer number (6515670).

Almost surely, 2^13031339 is an apocalyptic number.

13031339 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031339 is an equidigital number, since it uses as much as digits as its factorization.

13031339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 13031339 is about 3609.8945967992. The cubic root of 13031339 is about 235.3222619606.

The spelling of 13031339 in words is "thirteen million, thirty-one thousand, three hundred thirty-nine".