12737831717 has 8 divisors (see below), whose sum is σ = 13718605824. Its totient is φ = 11757192048.

The previous prime is 12737831683. The next prime is 12737831719. The reversal of 12737831717 is 71713873721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12737831717 - 2⁸ = 12737831461 is a prime.

It is a super-2 number, since 2×12737831717² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12737831719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255068 + ... + 300890.

It is an arithmetic number, because the mean of its divisors is an integer number (1714825728).

Almost surely, 2^12737831717 is an apocalyptic number.

It is an amenable number.

12737831717 is a deficient number, since it is larger than the sum of its proper divisors (980774107).

12737831717 is a wasteful number, since it uses less digits than its factorization.

12737831717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67219.

The product of its digits is 345744, while the sum is 47.

The spelling of 12737831717 in words is "twelve billion, seven hundred thirty-seven million, eight hundred thirty-one thousand, seven hundred seventeen".