13155560 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.
Almost surely, 213155560 is an apocalyptic number.
13155560 is a gapful number since it is divisible by the number (10) 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 13155560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16718400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13155560 is a wasteful number, since it uses less digits than its factorization.
13155560 is an evil number, because the sum of its binary digits is even.
The square root of 13155560 is about 3627.0594150083. The cubic root of 13155560 is about 236.0676335888.
The spelling of 13155560 in words is "thirteen million, one hundred fifty-five thousand, five hundred sixty".