13315408 has 20 divisors (see below), whose sum is σ = 26689140. Its totient is φ = 6427904.

The previous prime is 13315387. The next prime is 13315439. The reversal of 13315408 is 80451331.

It can be written as a sum of positive squares in 2 ways, for example, as 3655744 + 9659664 = 1912^2 + 3108^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13885 + ... + 14812.

It is an arithmetic number, because the mean of its divisors is an integer number (1334457).

Almost surely, 2^13315408 is an apocalyptic number.

It is an amenable number.

13315408 is an abundant number, since it is smaller than the sum of its proper divisors (13373732).

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

13315408 is a wasteful number, since it uses less digits than its factorization.

13315408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28734 (or 28728 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13315408 is about 3649.0283638251. The cubic root of 13315408 is about 237.0199084797.

Adding to 13315408 its reverse (80451331), we get a palindrome (93766739).

The spelling of 13315408 in words is "thirteen million, three hundred fifteen thousand, four hundred eight".