13297145784 has 48 divisors (see below), whose sum is σ = 35996722200. Its totient is φ = 4091428224.

The previous prime is 13297145783. The next prime is 13297145791. The reversal of 13297145784 is 48754179231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13297145783) 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, 1635139 + ... + 1643250.

Almost surely, 2^13297145784 is an apocalyptic number.

It is an amenable number.

13297145784 is an abundant number, since it is smaller than the sum of its proper divisors (22699576416).

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

13297145784 is a wasteful number, since it uses less digits than its factorization.

13297145784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278424 (or 3278407 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The spelling of 13297145784 in words is "thirteen billion, two hundred ninety-seven million, one hundred forty-five thousand, seven hundred eighty-four".