13315404 has 24 divisors (see below), whose sum is σ = 31156720. Its totient is φ = 4425984.

The previous prime is 13315387. The next prime is 13315439. The reversal of 13315404 is 40451331.

13315404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3552 + ... + 6264.

Almost surely, 2^13315404 is an apocalyptic number.

It is an amenable number.

13315404 is an abundant number, since it is smaller than the sum of its proper divisors (17841316).

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

13315404 is a wasteful number, since it uses less digits than its factorization.

13315404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13315404 is about 3649.0278157339. The cubic root of 13315404 is about 237.0198847458.

Adding to 13315404 its reverse (40451331), we get a palindrome (53766735).

The spelling of 13315404 in words is "thirteen million, three hundred fifteen thousand, four hundred four".