12436171797 has 16 divisors (see below), whose sum is σ = 18952478720. Its totient is φ = 7105588272.

The previous prime is 12436171757. The next prime is 12436171817. The reversal of 12436171797 is 79717163421.

It is not a de Polignac number, because 12436171797 - 2²⁰ = 12435123221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12436171747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195588 + ... + 251250.

It is an arithmetic number, because the mean of its divisors is an integer number (1184529920).

Almost surely, 2^12436171797 is an apocalyptic number.

It is an amenable number.

12436171797 is a deficient number, since it is larger than the sum of its proper divisors (6516306923).

12436171797 is a wasteful number, since it uses less digits than its factorization.

12436171797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66312.

The product of its digits is 444528, while the sum is 48.

The spelling of 12436171797 in words is "twelve billion, four hundred thirty-six million, one hundred seventy-one thousand, seven hundred ninety-seven".