12816 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.
It is a nude number because it is divisible by every one of its digits.
It is a plaindrome in base 13.
It is a nialpdrome in base 12 and base 16.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12816.
It is an unprimeable number.
212816 is an apocalyptic number.
12816 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 12816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18135).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12816 is a wasteful number, since it uses less digits than its factorization.
12816 is an evil number, because the sum of its binary digits is even.
The square root of 12816 is about 113.2077735847. The cubic root of 12816 is about 23.4018845732.
Subtracting from 12816 its product of digits (96), we obtain a triangular number (12720 = T159).
The spelling of 12816 in words is "twelve thousand, eight hundred sixteen".