13312595856 has 160 divisors (see below), whose sum is σ = 41669459968. Its totient is φ = 3581314560.

The previous prime is 13312595837. The next prime is 13312595861. The reversal of 13312595856 is 65859521331.

It is a happy number.

13312595856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 31 ways as a sum of consecutive naturals, for example, 368121 + ... + 402663.

Almost surely, 2^13312595856 is an apocalyptic number.

13312595856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13312595856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20834729984).

13312595856 is an abundant number, since it is smaller than the sum of its proper divisors (28356864112).

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

13312595856 is a wasteful number, since it uses less digits than its factorization.

13312595856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34629 (or 34623 counting only the distinct ones).

The product of its digits is 972000, while the sum is 48.

The spelling of 13312595856 in words is "thirteen billion, three hundred twelve million, five hundred ninety-five thousand, eight hundred fifty-six".