13656965 has 8 divisors (see below), whose sum is σ = 18729600. Its totient is φ = 9364752.

The previous prime is 13656911. The next prime is 13656989. The reversal of 13656965 is 56965631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13656965 - 2⁶ = 13656901 is a prime.

It is a super-2 number, since 2×13656965² = 373025386022450, 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, 195065 + ... + 195134.

It is an arithmetic number, because the mean of its divisors is an integer number (2341200).

Almost surely, 2^13656965 is an apocalyptic number.

It is an amenable number.

13656965 is a deficient number, since it is larger than the sum of its proper divisors (5072635).

13656965 is an equidigital number, since it uses as much as digits as its factorization.

13656965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390211.

The product of its digits is 145800, while the sum is 41.

The square root of 13656965 is about 3695.5331144505. The cubic root of 13656965 is about 239.0294426360.

The spelling of 13656965 in words is "thirteen million, six hundred fifty-six thousand, nine hundred sixty-five".