13557408 has 24 divisors (see below), whose sum is σ = 35588448. Its totient is φ = 4519104.

The previous prime is 13557391. The next prime is 13557437. The reversal of 13557408 is 80475531.

It is a tau number, because it is divible by the number of its divisors (24).

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, 70516 + ... + 70707.

It is an arithmetic number, because the mean of its divisors is an integer number (1482852).

Almost surely, 2^13557408 is an apocalyptic number.

It is an amenable number.

13557408 is an abundant number, since it is smaller than the sum of its proper divisors (22031040).

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

13557408 is a wasteful number, since it uses less digits than its factorization.

13557408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141236 (or 141228 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 13557408 is about 3682.0385657948. The cubic root of 13557408 is about 238.4471972378.

The spelling of 13557408 in words is "thirteen million, five hundred fifty-seven thousand, four hundred eight".