13315993 has 8 divisors (see below), whose sum is σ = 13651200. Its totient is φ = 12983040.

The previous prime is 13315987. The next prime is 13316027. The reversal of 13315993 is 39951331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13315993 - 2⁵ = 13315961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13315933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20788 + ... + 21418.

It is an arithmetic number, because the mean of its divisors is an integer number (1706400).

Almost surely, 2^13315993 is an apocalyptic number.

It is an amenable number.

13315993 is a deficient number, since it is larger than the sum of its proper divisors (335207).

13315993 is an equidigital number, since it uses as much as digits as its factorization.

13315993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its digits is 10935, while the sum is 34.

The square root of 13315993 is about 3649.1085212693. The cubic root of 13315993 is about 237.0233795116.

The spelling of 13315993 in words is "thirteen million, three hundred fifteen thousand, nine hundred ninety-three".