12944856 has 64 divisors (see below), whose sum is σ = 33914880. Its totient is φ = 4112640.

The previous prime is 12944851. The next prime is 12944873. The reversal of 12944856 is 65844921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94420 + ... + 94556.

It is an arithmetic number, because the mean of its divisors is an integer number (529920).

Almost surely, 2^12944856 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 12944856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16957440).

12944856 is an abundant number, since it is smaller than the sum of its proper divisors (20970024).

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

12944856 is a wasteful number, since it uses less digits than its factorization.

12944856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 300 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 12944856 is about 3597.8960518614. The cubic root of 12944856 is about 234.8005309036.

The spelling of 12944856 in words is "twelve million, nine hundred forty-four thousand, eight hundred fifty-six".