13393965312 has 432 divisors, whose sum is σ = 47920582528. Its totient is φ = 3503554560.

The previous prime is 13393965293. The next prime is 13393965313. The reversal of 13393965312 is 21356939331.

It is not an unprimeable number, because it can be changed into a prime (13393965313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40464987 + ... + 40465317.

Almost surely, 2^13393965312 is an apocalyptic number.

13393965312 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 13393965312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23960291264).

13393965312 is an abundant number, since it is smaller than the sum of its proper divisors (34526617216).

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

13393965312 is a wasteful number, since it uses less digits than its factorization.

13393965312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 549 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The spelling of 13393965312 in words is "thirteen billion, three hundred ninety-three million, nine hundred sixty-five thousand, three hundred twelve".