13297808 has 20 divisors (see below), whose sum is σ = 27280620. Its totient is φ = 6257664.

The previous prime is 13297787. The next prime is 13297813. The reversal of 13297808 is 80879231.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 4129024 = 3028^2 + 2032^2 .

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, 24173 + ... + 24716.

It is an arithmetic number, because the mean of its divisors is an integer number (1364031).

Almost surely, 2^13297808 is an apocalyptic number.

It is an amenable number.

13297808 is an abundant number, since it is smaller than the sum of its proper divisors (13982812).

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

13297808 is a wasteful number, since it uses less digits than its factorization.

13297808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48914 (or 48908 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13297808 is about 3646.6159655220. The cubic root of 13297808 is about 236.9154332809.

The spelling of 13297808 in words is "thirteen million, two hundred ninety-seven thousand, eight hundred eight".