12717666793 has 16 divisors (see below), whose sum is σ = 13960973376. Its totient is φ = 11514398400.

The previous prime is 12717666769. The next prime is 12717666803. The reversal of 12717666793 is 39766671721.

It is not a de Polignac number, because 12717666793 - 2⁹ = 12717666281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12717666733) 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, 95230 + ... + 185752.

It is an arithmetic number, because the mean of its divisors is an integer number (872560836).

Almost surely, 2^12717666793 is an apocalyptic number.

12717666793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12717666793 is a deficient number, since it is larger than the sum of its proper divisors (1243306583).

12717666793 is a wasteful number, since it uses less digits than its factorization.

12717666793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90744.

The product of its digits is 4000752, while the sum is 55.

The spelling of 12717666793 in words is "twelve billion, seven hundred seventeen million, six hundred sixty-six thousand, seven hundred ninety-three".