13061886 has 16 divisors (see below), whose sum is σ = 26189568. Its totient is φ = 4343000.

The previous prime is 13061857. The next prime is 13061891. The reversal of 13061886 is 68816031.

It is a super-2 number, since 2×13061886² = 341225731753992, which contains 22 as substring.

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, 61 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (1636848).

Almost surely, 2^13061886 is an apocalyptic number.

13061886 is an abundant number, since it is smaller than the sum of its proper divisors (13127682).

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

13061886 is a wasteful number, since it uses less digits than its factorization.

13061886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13061886 is about 3614.1231301659. The cubic root of 13061886 is about 235.5059928785.

The spelling of 13061886 in words is "thirteen million, sixty-one thousand, eight hundred eighty-six".