13057086 has 16 divisors (see below), whose sum is σ = 29844864. Its totient is φ = 3730584.

The previous prime is 13057081. The next prime is 13057127. The reversal of 13057086 is 68075031.

It is a super-2 number, since 2×13057086² = 340974989622792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13057081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155400 + ... + 155483.

It is an arithmetic number, because the mean of its divisors is an integer number (1865304).

Almost surely, 2^13057086 is an apocalyptic number.

13057086 is an abundant number, since it is smaller than the sum of its proper divisors (16787778).

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

13057086 is a wasteful number, since it uses less digits than its factorization.

13057086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310895.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 13057086 is about 3613.4590076546. The cubic root of 13057086 is about 235.4771413210.

The spelling of 13057086 in words is "thirteen million, fifty-seven thousand, eighty-six".