13271139 has 24 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 7183728.

The previous prime is 13271117. The next prime is 13271143. The reversal of 13271139 is 93117231.

It is not a de Polignac number, because 13271139 - 2⁹ = 13270627 is a prime.

It is a super-2 number, since 2×13271139² = 352246260714642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13271149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4347 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 2^13271139 is an apocalyptic number.

13271139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13271139 is a deficient number, since it is larger than the sum of its proper divisors (9791901).

13271139 is a wasteful number, since it uses less digits than its factorization.

13271139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119 (or 11116 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 13271139 is about 3642.9574524005. The cubic root of 13271139 is about 236.7569478568.

The spelling of 13271139 in words is "thirteen million, two hundred seventy-one thousand, one hundred thirty-nine".