13297544736 has 240 divisors, whose sum is σ = 42057485568. Its totient is φ = 3674764800.

The previous prime is 13297544717. The next prime is 13297544747. The reversal of 13297544736 is 63744579231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7144446 + ... + 7146306.

Almost surely, 2^13297544736 is an apocalyptic number.

13297544736 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 13297544736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21028742784).

13297544736 is an abundant number, since it is smaller than the sum of its proper divisors (28759940832).

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

13297544736 is an equidigital number, since it uses as much as digits as its factorization.

13297544736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1904 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The spelling of 13297544736 in words is "thirteen billion, two hundred ninety-seven million, five hundred forty-four thousand, seven hundred thirty-six".