13791408 has 20 divisors (see below), whose sum is σ = 35627928. Its totient is φ = 4597120.

The previous prime is 13791389. The next prime is 13791409. The reversal of 13791408 is 80419731.

It is not an unprimeable number, because it can be changed into a prime (13791409) 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, 143613 + ... + 143708.

Almost surely, 2^13791408 is an apocalyptic number.

It is an amenable number.

13791408 is an abundant number, since it is smaller than the sum of its proper divisors (21836520).

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

13791408 is a wasteful number, since it uses less digits than its factorization.

13791408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287332 (or 287326 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 13791408 is about 3713.6784998166. The cubic root of 13791408 is about 239.8112404688.

The spelling of 13791408 in words is "thirteen million, seven hundred ninety-one thousand, four hundred eight".