13556244 has 48 divisors (see below), whose sum is σ = 34599488. Its totient is φ = 4105728.

The previous prime is 13556237. The next prime is 13556251. The reversal of 13556244 is 44265531.

13556244 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13556237) and next prime (13556251).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9804 + ... + 11100.

Almost surely, 2^13556244 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 13556244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17299744).

13556244 is an abundant number, since it is smaller than the sum of its proper divisors (21043244).

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

13556244 is a wasteful number, since it uses less digits than its factorization.

13556244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1382 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 13556244 is about 3681.8804977891. The cubic root of 13556244 is about 238.4403729126.

The spelling of 13556244 in words is "thirteen million, five hundred fifty-six thousand, two hundred forty-four".