13291576312 has 128 divisors (see below), whose sum is σ = 31083724800. Its totient is φ = 5201615232.

The previous prime is 13291576231. The next prime is 13291576313. The reversal of 13291576312 is 21367519231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291576313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3348553 + ... + 3352519.

It is an arithmetic number, because the mean of its divisors is an integer number (242841600).

Almost surely, 2^13291576312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13291576312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15541862400).

13291576312 is an abundant number, since it is smaller than the sum of its proper divisors (17792148488).

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

13291576312 is a wasteful number, since it uses less digits than its factorization.

13291576312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113 (or 4109 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The spelling of 13291576312 in words is "thirteen billion, two hundred ninety-one million, five hundred seventy-six thousand, three hundred twelve".