13224012056 has 8 divisors (see below), whose sum is σ = 24795022620. Its totient is φ = 6612006024.

The previous prime is 13224012041. The next prime is 13224012079. The reversal of 13224012056 is 65021042231.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826500746 + ... + 826500761.

Almost surely, 2^13224012056 is an apocalyptic number.

It is an amenable number.

13224012056 is a deficient number, since it is larger than the sum of its proper divisors (11571010564).

13224012056 is a wasteful number, since it uses less digits than its factorization.

13224012056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653001513 (or 1653001509 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13224012056 its reverse (65021042231), we get a palindrome (78245054287).

The spelling of 13224012056 in words is "thirteen billion, two hundred twenty-four million, twelve thousand, fifty-six".