13190304 has 24 divisors (see below), whose sum is σ = 34624800. Its totient is φ = 4396736.

The previous prime is 13190279. The next prime is 13190311. The reversal of 13190304 is 40309131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13190304² = 347968239224832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68604 + ... + 68795.

It is an arithmetic number, because the mean of its divisors is an integer number (1442700).

Almost surely, 2^13190304 is an apocalyptic number.

It is an amenable number.

13190304 is an abundant number, since it is smaller than the sum of its proper divisors (21434496).

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

13190304 is a wasteful number, since it uses less digits than its factorization.

13190304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137412 (or 137404 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13190304 is about 3631.8458117051. The cubic root of 13190304 is about 236.2752701056.

Adding to 13190304 its reverse (40309131), we get a palindrome (53499435).

The spelling of 13190304 in words is "thirteen million, one hundred ninety thousand, three hundred four".