Adding to 12864 its reverse (46821), we get a triangular number (59685 = T345).
It is a nude number because it is divisible by every one of its digits.
It is a nialpdrome in base 8 and base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 12864.
It is an unprimeable number.
212864 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12864 is an equidigital number, since it uses as much as digits as its factorization.
12864 is an evil number, because the sum of its binary digits is even.
The square root of 12864 is about 113.4195750301. The cubic root of 12864 is about 23.4310640106.
The spelling of 12864 in words is "twelve thousand, eight hundred sixty-four".