13508304 has 20 divisors (see below), whose sum is σ = 34896576. Its totient is φ = 4502752.

The previous prime is 13508303. The next prime is 13508323. The reversal of 13508304 is 40380531.

13508304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13508303) 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, 140664 + ... + 140759.

Almost surely, 2^13508304 is an apocalyptic number.

It is an amenable number.

13508304 is an abundant number, since it is smaller than the sum of its proper divisors (21388272).

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

13508304 is a wasteful number, since it uses less digits than its factorization.

13508304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281434 (or 281428 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13508304 is about 3675.3644717225. The cubic root of 13508304 is about 238.1589691897.

Adding to 13508304 its reverse (40380531), we get a palindrome (53888835).

The spelling of 13508304 in words is "thirteen million, five hundred eight thousand, three hundred four".