12660 is nontrivially palindromic in base 14.
12660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a plaindrome in base 13.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12660.
It is an unprimeable number.
212660 is an apocalyptic number.
12660 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
12660 is a wasteful number, since it uses less digits than its factorization.
12660 is an odious number, because the sum of its binary digits is odd.
The square root of 12660 is about 112.5166654323. The cubic root of 12660 is about 23.3065452211.
The spelling of 12660 in words is "twelve thousand, six hundred sixty".