13315938 has 8 divisors (see below), whose sum is σ = 26631888. Its totient is φ = 4438644.

The previous prime is 13315937. The next prime is 13315961. The reversal of 13315938 is 83951331.

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

13315938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13315899 and 13315908.

It is not an unprimeable number, because it can be changed into a prime (13315931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109656 + ... + 1109667.

It is an arithmetic number, because the mean of its divisors is an integer number (3328986).

Almost surely, 2^13315938 is an apocalyptic number.

13315938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13315938 is a wasteful number, since it uses less digits than its factorization.

13315938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219328.

The product of its digits is 9720, while the sum is 33.

The square root of 13315938 is about 3649.1009851743. The cubic root of 13315938 is about 237.0230531796.

The spelling of 13315938 in words is "thirteen million, three hundred fifteen thousand, nine hundred thirty-eight".