13791668 has 24 divisors (see below), whose sum is σ = 26441184. Its totient is φ = 6242400.

The previous prime is 13791667. The next prime is 13791689. The reversal of 13791668 is 86619731.

13791668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13791667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12998 + ... + 14018.

It is an arithmetic number, because the mean of its divisors is an integer number (1101716).

Almost surely, 2^13791668 is an apocalyptic number.

It is an amenable number.

13791668 is a deficient number, since it is larger than the sum of its proper divisors (12649516).

13791668 is a wasteful number, since it uses less digits than its factorization.

13791668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 13791668 is about 3713.7135053744. The cubic root of 13791668 is about 239.8127474585.

The spelling of 13791668 in words is "thirteen million, seven hundred ninety-one thousand, six hundred sixty-eight".