13386556 has 12 divisors (see below), whose sum is σ = 23646168. Its totient is φ = 6630512.

The previous prime is 13386547. The next prime is 13386557. The reversal of 13386556 is 65568331.

It is a super-2 number, since 2×13386556² = 358399763082272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13386557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15211 + ... + 16066.

It is an arithmetic number, because the mean of its divisors is an integer number (1970514).

Almost surely, 2^13386556 is an apocalyptic number.

It is an amenable number.

13386556 is a deficient number, since it is larger than the sum of its proper divisors (10259612).

13386556 is a wasteful number, since it uses less digits than its factorization.

13386556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31388 (or 31386 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 13386556 is about 3658.7642722646. The cubic root of 13386556 is about 237.4413136623.

The spelling of 13386556 in words is "thirteen million, three hundred eighty-six thousand, five hundred fifty-six".