13727556 has 72 divisors (see below), whose sum is σ = 37302720. Its totient is φ = 4408992.

The previous prime is 13727543. The next prime is 13727587. The reversal of 13727556 is 65572731.

13727556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13727556.

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, 27945 + ... + 28431.

Almost surely, 2^13727556 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 13727556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18651360).

13727556 is an abundant number, since it is smaller than the sum of its proper divisors (23575164).

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

13727556 is a wasteful number, since it uses less digits than its factorization.

13727556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 521 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 13727556 is about 3705.0716592260. The cubic root of 13727556 is about 239.4405720146.

The spelling of 13727556 in words is "thirteen million, seven hundred twenty-seven thousand, five hundred fifty-six".