13355144 has 32 divisors (see below), whose sum is σ = 27907200. Its totient is φ = 5939520.

The previous prime is 13355123. The next prime is 13355161. The reversal of 13355144 is 44155331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522 + ... + 5750.

It is an arithmetic number, because the mean of its divisors is an integer number (872100).

Almost surely, 2^13355144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13355144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13953600).

13355144 is an abundant number, since it is smaller than the sum of its proper divisors (14552056).

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

13355144 is a wasteful number, since it uses less digits than its factorization.

13355144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293 (or 3289 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 13355144 is about 3654.4690448819. The cubic root of 13355144 is about 237.2554468857.

The spelling of 13355144 in words is "thirteen million, three hundred fifty-five thousand, one hundred forty-four".