13556016 has 60 divisors (see below), whose sum is σ = 39597168. Its totient is φ = 4321152.

The previous prime is 13555999. The next prime is 13556029. The reversal of 13556016 is 61065531.

It is a happy number.

13556016 is a `hidden beast` number, since 1 + 3 + 55 + 601 + 6 = 666.

13556016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1266 + ... + 5358.

Almost surely, 2^13556016 is an apocalyptic number.

13556016 is a gapful number since it is divisible by the number (16) 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 13556016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19798584).

13556016 is an abundant number, since it is smaller than the sum of its proper divisors (26041152).

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

13556016 is a wasteful number, since it uses less digits than its factorization.

13556016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130 (or 4121 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 13556016 is about 3681.8495352200. The cubic root of 13556016 is about 238.4390361434.

The spelling of 13556016 in words is "thirteen million, five hundred fifty-six thousand, sixteen".