13297816 has 24 divisors (see below), whose sum is σ = 29005020. Its totient is φ = 5698896.

The previous prime is 13297813. The next prime is 13297819. The reversal of 13297816 is 61879231.

It is an interprime number because it is at equal distance from previous prime (13297813) and next prime (13297819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13297813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16570 + ... + 17353.

Almost surely, 2^13297816 is an apocalyptic number.

It is an amenable number.

13297816 is an abundant number, since it is smaller than the sum of its proper divisors (15707204).

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

13297816 is a wasteful number, since it uses less digits than its factorization.

13297816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33943 (or 33932 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 13297816 is about 3646.6170624292. The cubic root of 13297816 is about 236.9154807906.

The spelling of 13297816 in words is "thirteen million, two hundred ninety-seven thousand, eight hundred sixteen".