13318868 has 6 divisors (see below), whose sum is σ = 23308026. Its totient is φ = 6659432.

The previous prime is 13318849. The next prime is 13318873. The reversal of 13318868 is 86881331.

It can be written as a sum of positive squares in only one way, i.e., 8773444 + 4545424 = 2962^2 + 2132^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1664855 + ... + 1664862.

It is an arithmetic number, because the mean of its divisors is an integer number (3884671).

Almost surely, 2^13318868 is an apocalyptic number.

It is an amenable number.

13318868 is a deficient number, since it is larger than the sum of its proper divisors (9989158).

13318868 is a wasteful number, since it uses less digits than its factorization.

13318868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329721 (or 3329719 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 13318868 is about 3649.5024318392. The cubic root of 13318868 is about 237.0404365241.

The spelling of 13318868 in words is "thirteen million, three hundred eighteen thousand, eight hundred sixty-eight".