13224856 has 8 divisors (see below), whose sum is σ = 24796620. Its totient is φ = 6612424.

The previous prime is 13224829. The next prime is 13224859. The reversal of 13224856 is 65842231.

13224856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826546 + ... + 826561.

Almost surely, 2^13224856 is an apocalyptic number.

It is an amenable number.

13224856 is a deficient number, since it is larger than the sum of its proper divisors (11571764).

13224856 is a wasteful number, since it uses less digits than its factorization.

13224856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653113 (or 1653109 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 13224856 is about 3636.5995105318. The cubic root of 13224856 is about 236.4813979084.

The spelling of 13224856 in words is "thirteen million, two hundred twenty-four thousand, eight hundred fifty-six".