13317968 has 10 divisors (see below), whose sum is σ = 25803594. Its totient is φ = 6658976.

The previous prime is 13317959. The next prime is 13317971. The reversal of 13317968 is 86971331.

13317968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 300304 = 3608^2 + 548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416171 + ... + 416202.

Almost surely, 2^13317968 is an apocalyptic number.

It is an amenable number.

13317968 is a deficient number, since it is larger than the sum of its proper divisors (12485626).

13317968 is an equidigital number, since it uses as much as digits as its factorization.

13317968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832381 (or 832375 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 13317968 is about 3649.3791252760. The cubic root of 13317968 is about 237.0350972015.

The spelling of 13317968 in words is "thirteen million, three hundred seventeen thousand, nine hundred sixty-eight".