12446856 has 48 divisors (see below), whose sum is σ = 35696700. Its totient is φ = 3904512.

The previous prime is 12446851. The next prime is 12446857. The reversal of 12446856 is 65864421.

It can be written as a sum of positive squares in 2 ways, for example, as 10458756 + 1988100 = 3234^2 + 1410^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12446856.

It is not an unprimeable number, because it can be changed into a prime (12446851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3861 + ... + 6308.

Almost surely, 2^12446856 is an apocalyptic number.

It is an amenable number.

12446856 is an abundant number, since it is smaller than the sum of its proper divisors (23249844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12446856 is a wasteful number, since it uses less digits than its factorization.

12446856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10198 (or 10191 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 12446856 is about 3528.0102040669. The cubic root of 12446856 is about 231.7500776769.

It can be divided in two parts, 1244 and 6856, that added together give a square (8100 = 90²).

The spelling of 12446856 in words is "twelve million, four hundred forty-six thousand, eight hundred fifty-six".