13685956 has 24 divisors (see below), whose sum is σ = 24523520. Its totient is φ = 6681312.

The previous prime is 13685939. The next prime is 13685957. The reversal of 13685956 is 65958631.

It is not an unprimeable number, because it can be changed into a prime (13685957) 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, 59650 + ... + 59878.

Almost surely, 2^13685956 is an apocalyptic number.

It is an amenable number.

13685956 is a deficient number, since it is larger than the sum of its proper divisors (10837564).

13685956 is a wasteful number, since it uses less digits than its factorization.

13685956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 13685956 is about 3699.4534731498. The cubic root of 13685956 is about 239.1984602981.

It can be divided in two parts, 13685 and 956, that added together give a palindrome (14641).

The spelling of 13685956 in words is "thirteen million, six hundred eighty-five thousand, nine hundred fifty-six".