13315898 has 8 divisors (see below), whose sum is σ = 20461140. Its totient is φ = 6495520.

The previous prime is 13315891. The next prime is 13315909. The reversal of 13315898 is 89851331.

It can be written as a sum of positive squares in 2 ways, for example, as 11607649 + 1708249 = 3407^2 + 1307^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13315891) 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, 81113 + ... + 81276.

Almost surely, 2^13315898 is an apocalyptic number.

13315898 is a deficient number, since it is larger than the sum of its proper divisors (7145242).

13315898 is a wasteful number, since it uses less digits than its factorization.

13315898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162432.

The product of its digits is 25920, while the sum is 38.

The square root of 13315898 is about 3649.0955043682. The cubic root of 13315898 is about 237.0228158466.

The spelling of 13315898 in words is "thirteen million, three hundred fifteen thousand, eight hundred ninety-eight".