14997597312 has 128 divisors (see below), whose sum is σ = 41828241600. Its totient is φ = 4754534400.

The previous prime is 14997597301. The next prime is 14997597331. The reversal of 14997597312 is 21379579941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736062 + ... + 756162.

Almost surely, 2^14997597312 is an apocalyptic number.

14997597312 is a gapful number since it is divisible by the number (12) 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 14997597312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20914120800).

14997597312 is an abundant number, since it is smaller than the sum of its proper divisors (26830644288).

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

14997597312 is a wasteful number, since it uses less digits than its factorization.

14997597312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20214 (or 20202 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 57.

The spelling of 14997597312 in words is "fourteen billion, nine hundred ninety-seven million, five hundred ninety-seven thousand, three hundred twelve".