13400668 has 12 divisors (see below), whose sum is σ = 24260040. Its totient is φ = 6469232.

The previous prime is 13400657. The next prime is 13400689. The reversal of 13400668 is 86600431.

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 in 3 ways as a sum of consecutive naturals, for example, 57646 + ... + 57877.

It is an arithmetic number, because the mean of its divisors is an integer number (2021670).

Almost surely, 2^13400668 is an apocalyptic number.

It is an amenable number.

13400668 is a deficient number, since it is larger than the sum of its proper divisors (10859372).

13400668 is a wasteful number, since it uses less digits than its factorization.

13400668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115556 (or 115554 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13400668 is about 3660.6922842544. The cubic root of 13400668 is about 237.5247206032.

The spelling of 13400668 in words is "thirteen million, four hundred thousand, six hundred sixty-eight".