13013886 has 16 divisors (see below), whose sum is σ = 26066304. Its totient is φ = 4331544.

The previous prime is 13013873. The next prime is 13013909. The reversal of 13013886 is 68831031.

It is a super-2 number, since 2×13013886² = 338722457641992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (1629144).

Almost surely, 2^13013886 is an apocalyptic number.

13013886 is an abundant number, since it is smaller than the sum of its proper divisors (13052418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013886 is a wasteful number, since it uses less digits than its factorization.

13013886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13013886 is about 3607.4764032492. The cubic root of 13013886 is about 235.2171585543.

The spelling of 13013886 in words is "thirteen million, thirteen thousand, eight hundred eighty-six".