13918656 has 28 divisors (see below), whose sum is σ = 36826952. Its totient is φ = 4639488.

The previous prime is 13918649. The next prime is 13918661. The reversal of 13918656 is 65681931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36055 + ... + 36438.

Almost surely, 2^13918656 is an apocalyptic number.

13918656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13918656 is an abundant number, since it is smaller than the sum of its proper divisors (22908296).

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

13918656 is an equidigital number, since it uses as much as digits as its factorization.

13918656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72508 (or 72498 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 13918656 is about 3730.7715019819. The cubic root of 13918656 is about 240.5465322601.

The spelling of 13918656 in words is "thirteen million, nine hundred eighteen thousand, six hundred fifty-six".