13775408 has 20 divisors (see below), whose sum is σ = 27551808. Its totient is φ = 6665280.

The previous prime is 13775407. The next prime is 13775441. The reversal of 13775408 is 80457731.

13775408 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13775407) 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, 13391 + ... + 14382.

Almost surely, 2^13775408 is an apocalyptic number.

It is an amenable number.

13775408 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.

13775408 is a wasteful number, since it uses less digits than its factorization.

13775408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27812 (or 27806 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 13775408 is about 3711.5236763356. The cubic root of 13775408 is about 239.7184661700.

The spelling of 13775408 in words is "thirteen million, seven hundred seventy-five thousand, four hundred eight".