13145304 has 32 divisors (see below), whose sum is σ = 32966640. Its totient is φ = 4368000.

The previous prime is 13145299. The next prime is 13145311. The reversal of 13145304 is 40354131.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

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, 9454 + ... + 10754.

Almost surely, 2^13145304 is an apocalyptic number.

It is an amenable number.

13145304 is an abundant number, since it is smaller than the sum of its proper divisors (19821336).

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

13145304 is a wasteful number, since it uses less digits than its factorization.

13145304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1727 counting only the distinct ones).

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

The square root of 13145304 is about 3625.6453218703. The cubic root of 13145304 is about 236.0062719773.

Adding to 13145304 its reverse (40354131), we get a palindrome (53499435).

The spelling of 13145304 in words is "thirteen million, one hundred forty-five thousand, three hundred four".