13556968 has 8 divisors (see below), whose sum is σ = 25419330. Its totient is φ = 6778480.

The previous prime is 13556957. The next prime is 13556993. The reversal of 13556968 is 86965531.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 1737124 = 3438^2 + 1318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847303 + ... + 847318.

Almost surely, 2^13556968 is an apocalyptic number.

It is an amenable number.

13556968 is a deficient number, since it is larger than the sum of its proper divisors (11862362).

13556968 is a wasteful number, since it uses less digits than its factorization.

13556968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694627 (or 1694623 counting only the distinct ones).

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

The square root of 13556968 is about 3681.9788158000. The cubic root of 13556968 is about 238.4446176419. Note that the first 3 decimals are identical.

The spelling of 13556968 in words is "thirteen million, five hundred fifty-six thousand, nine hundred sixty-eight".