Adding to 13015512 its reverse (21551031), we get a palindrome (34566543).
13015512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
Almost surely, 213015512 is an apocalyptic number.
13015512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13015512 is a wasteful number, since it uses less digits than its factorization.
13015512 is an evil number, because the sum of its binary digits is even.
The square root of 13015512 is about 3607.7017615097. The cubic root of 13015512 is about 235.2269544285.
The spelling of 13015512 in words is "thirteen million, fifteen thousand, five hundred twelve".