13291349452 has 12 divisors (see below), whose sum is σ = 24484064920. Its totient is φ = 6295902336.

The previous prime is 13291349389. The next prime is 13291349453. The reversal of 13291349452 is 25494319231.

13291349452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13291349399 and 13291349408.

It is not an unprimeable number, because it can be changed into a prime (13291349453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87443013 + ... + 87443164.

Almost surely, 2^13291349452 is an apocalyptic number.

It is an amenable number.

13291349452 is a deficient number, since it is larger than the sum of its proper divisors (11192715468).

13291349452 is a wasteful number, since it uses less digits than its factorization.

13291349452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174886200 (or 174886198 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The spelling of 13291349452 in words is "thirteen billion, two hundred ninety-one million, three hundred forty-nine thousand, four hundred fifty-two".