13052304 has 30 divisors (see below), whose sum is σ = 36528726. Its totient is φ = 4350720.

The previous prime is 13052279. The next prime is 13052329. The reversal of 13052304 is 40325031.

It is an interprime number because it is at equal distance from previous prime (13052279) and next prime (13052329).

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 435600 = 3552^2 + 660^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45177 + ... + 45464.

Almost surely, 2^13052304 is an apocalyptic number.

It is an amenable number.

13052304 is an abundant number, since it is smaller than the sum of its proper divisors (23476422).

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

13052304 is a wasteful number, since it uses less digits than its factorization.

13052304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90655 (or 90646 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13052304 is about 3612.7972542062. The cubic root of 13052304 is about 235.4483909249.

Adding to 13052304 its reverse (40325031), we get a palindrome (53377335).

The spelling of 13052304 in words is "thirteen million, fifty-two thousand, three hundred four".