13915568 has 20 divisors (see below), whose sum is σ = 27159720. Its totient is φ = 6906624.

The previous prime is 13915567. The next prime is 13915591. The reversal of 13915568 is 86551931.

It is not an unprimeable number, because it can be changed into a prime (13915567) 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, 905 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (1357986).

Almost surely, 2^13915568 is an apocalyptic number.

It is an amenable number.

13915568 is a deficient number, since it is larger than the sum of its proper divisors (13244152).

13915568 is a wasteful number, since it uses less digits than its factorization.

13915568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404 (or 6398 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 13915568 is about 3730.3576236066. The cubic root of 13915568 is about 240.5287416863.

The spelling of 13915568 in words is "thirteen million, nine hundred fifteen thousand, five hundred sixty-eight".