13397181291 has 12 divisors (see below), whose sum is σ = 20840059968. Its totient is φ = 8244419184.

The previous prime is 13397181251. The next prime is 13397181299. The reversal of 13397181291 is 19218179331.

It is a happy number.

13397181291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13397181291 - 2⁷ = 13397181163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13397181299) 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 11 ways as a sum of consecutive naturals, for example, 57252795 + ... + 57253028.

It is an arithmetic number, because the mean of its divisors is an integer number (1736671664).

Almost surely, 2^13397181291 is an apocalyptic number.

13397181291 is a deficient number, since it is larger than the sum of its proper divisors (7442878677).

13397181291 is a wasteful number, since it uses less digits than its factorization.

13397181291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114505842 (or 114505839 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The spelling of 13397181291 in words is "thirteen billion, three hundred ninety-seven million, one hundred eighty-one thousand, two hundred ninety-one".