13401668 has 12 divisors (see below), whose sum is σ = 26803392. Its totient is φ = 5743560.

The previous prime is 13401667. The next prime is 13401671. The reversal of 13401668 is 86610431.

13401668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13401668 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 13401668.

It is not an unprimeable number, because it can be changed into a prime (13401667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239288 + ... + 239343.

It is an arithmetic number, because the mean of its divisors is an integer number (2233616).

Almost surely, 2^13401668 is an apocalyptic number.

It is an amenable number.

13401668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13401668 is a wasteful number, since it uses less digits than its factorization.

13401668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478642 (or 478640 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13401668 is about 3660.8288678932. The cubic root of 13401668 is about 237.5306287368.

The spelling of 13401668 in words is "thirteen million, four hundred one thousand, six hundred sixty-eight".