13326716736 has 84 divisors (see below), whose sum is σ = 40209114400. Its totient is φ = 4208433408.

The previous prime is 13326716729. The next prime is 13326716737. The reversal of 13326716736 is 63761762331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13326716691 and 13326716700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13326716737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 597916 + ... + 619803.

Almost surely, 2^13326716736 is an apocalyptic number.

13326716736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13326716736 is an abundant number, since it is smaller than the sum of its proper divisors (26882397664).

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

13326716736 is a wasteful number, since it uses less digits than its factorization.

13326716736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217756 (or 1217743 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The spelling of 13326716736 in words is "thirteen billion, three hundred twenty-six million, seven hundred sixteen thousand, seven hundred thirty-six".