13181340697 has 12 divisors (see below), whose sum is σ = 15434950656. Its totient is φ = 11223462600.

The previous prime is 13181340691. The next prime is 13181340719. The reversal of 13181340697 is 79604318131.

It is not a de Polignac number, because 13181340697 - 2¹⁵ = 13181307929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13181340691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883353 + ... + 898150.

It is an arithmetic number, because the mean of its divisors is an integer number (1286245888).

Almost surely, 2^13181340697 is an apocalyptic number.

It is an amenable number.

13181340697 is a deficient number, since it is larger than the sum of its proper divisors (2253609959).

13181340697 is a wasteful number, since it uses less digits than its factorization.

13181340697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781668 (or 1781661 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 13181340697 in words is "thirteen billion, one hundred eighty-one million, three hundred forty thousand, six hundred ninety-seven".