13139313 has 12 divisors (see below), whose sum is σ = 19142064. Its totient is φ = 7950600.

The previous prime is 13139299. The next prime is 13139341. The reversal of 13139313 is 31393131.

It is not a de Polignac number, because 13139313 - 2⁴ = 13139297 is a prime.

It is a super-2 number, since 2×13139313² = 345283092223938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13139213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20508 + ... + 21138.

It is an arithmetic number, because the mean of its divisors is an integer number (1595172).

Almost surely, 2^13139313 is an apocalyptic number.

It is an amenable number.

13139313 is a deficient number, since it is larger than the sum of its proper divisors (6002751).

13139313 is an frugal number, since it uses more digits than its factorization.

13139313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 645 counting only the distinct ones).

The product of its digits is 729, while the sum is 24.

The square root of 13139313 is about 3624.8190299655. The cubic root of 13139313 is about 235.9704130773.

The spelling of 13139313 in words is "thirteen million, one hundred thirty-nine thousand, three hundred thirteen".