13313881 has 8 divisors (see below), whose sum is σ = 15474240. Its totient is φ = 11218128.

The previous prime is 13313879. The next prime is 13313893. The reversal of 13313881 is 18831331.

13313881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13313881 - 2¹ = 13313879 is a prime.

It is a super-2 number, since 2×13313881² = 354518854564322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13313801) 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 7 ways as a sum of consecutive naturals, for example, 15706 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (1934280).

Almost surely, 2^13313881 is an apocalyptic number.

It is an amenable number.

13313881 is a deficient number, since it is larger than the sum of its proper divisors (2160359).

13313881 is an equidigital number, since it uses as much as digits as its factorization.

13313881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32303.

The product of its digits is 1728, while the sum is 28.

The square root of 13313881 is about 3648.8191240455. The cubic root of 13313881 is about 237.0108477175.

The spelling of 13313881 in words is "thirteen million, three hundred thirteen thousand, eight hundred eighty-one".