13317911 has 4 divisors (see below), whose sum is σ = 13332072. Its totient is φ = 13303752.

The previous prime is 13317881. The next prime is 13317923. The reversal of 13317911 is 11971331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13317911 - 2⁶ = 13317847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13317971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5561 + ... + 7586.

It is an arithmetic number, because the mean of its divisors is an integer number (3333018).

Almost surely, 2^13317911 is an apocalyptic number.

13317911 is a deficient number, since it is larger than the sum of its proper divisors (14161).

13317911 is a wasteful number, since it uses less digits than its factorization.

13317911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14160.

The product of its digits is 567, while the sum is 26.

The square root of 13317911 is about 3649.3713157200. The cubic root of 13317911 is about 237.0347590363.

The spelling of 13317911 in words is "thirteen million, three hundred seventeen thousand, nine hundred eleven".