13131327 has 32 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 7377920.

The previous prime is 13131319. The next prime is 13131329. The reversal of 13131327 is 72313131.

It is not a de Polignac number, because 13131327 - 2³ = 13131319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49798 + ... + 50060.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^13131327 is an apocalyptic number.

13131327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13131327 is a deficient number, since it is larger than the sum of its proper divisors (7397313).

13131327 is a wasteful number, since it uses less digits than its factorization.

13131327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its digits is 378, while the sum is 21.

The square root of 13131327 is about 3623.7172902974. The cubic root of 13131327 is about 235.9225962283.

Adding to 13131327 its reverse (72313131), we get a palindrome (85444458).

The spelling of 13131327 in words is "thirteen million, one hundred thirty-one thousand, three hundred twenty-seven".