13386897 has 16 divisors (see below), whose sum is σ = 20695680. Its totient is φ = 8536176.

The previous prime is 13386883. The next prime is 13386907. The reversal of 13386897 is 79868331.

It is a happy number.

It is not a de Polignac number, because 13386897 - 2¹⁰ = 13385873 is a prime.

It is a super-2 number, since 2×13386897² = 358418022577218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13386817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10158 + ... + 11399.

It is an arithmetic number, because the mean of its divisors is an integer number (1293480).

Almost surely, 2^13386897 is an apocalyptic number.

It is an amenable number.

13386897 is a deficient number, since it is larger than the sum of its proper divisors (7308783).

13386897 is a wasteful number, since it uses less digits than its factorization.

13386897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21589 (or 21583 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13386897 is about 3658.8108724010. The cubic root of 13386897 is about 237.4433297845.

The spelling of 13386897 in words is "thirteen million, three hundred eighty-six thousand, eight hundred ninety-seven".