13155408 has 120 divisors (see below), whose sum is σ = 43536896. Its totient is φ = 3628800.

The previous prime is 13155397. The next prime is 13155421. The reversal of 13155408 is 80455131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31038 + ... + 31458.

Almost surely, 2^13155408 is an apocalyptic number.

13155408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13155408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21768448).

13155408 is an abundant number, since it is smaller than the sum of its proper divisors (30381488).

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

13155408 is a wasteful number, since it uses less digits than its factorization.

13155408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 13155408 is about 3627.0384613345. The cubic root of 13155408 is about 236.0667244062.

The spelling of 13155408 in words is "thirteen million, one hundred fifty-five thousand, four hundred eight".