13256662446 has 32 divisors (see below), whose sum is σ = 29958566400. Its totient is φ = 4343990040.

The previous prime is 13256662427. The next prime is 13256662453. The reversal of 13256662446 is 64426665231.

It is a happy number.

13256662446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077270 + ... + 2083641.

It is an arithmetic number, because the mean of its divisors is an integer number (936205200).

Almost surely, 2^13256662446 is an apocalyptic number.

13256662446 is an abundant number, since it is smaller than the sum of its proper divisors (16701903954).

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

13256662446 is a wasteful number, since it uses less digits than its factorization.

13256662446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160981 (or 4160975 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 13256662446 in words is "thirteen billion, two hundred fifty-six million, six hundred sixty-two thousand, four hundred forty-six".