12794585817 has 16 divisors (see below), whose sum is σ = 18374964608. Its totient is φ = 7872197760.

The previous prime is 12794585723. The next prime is 12794585851. The reversal of 12794585817 is 71858549721.

It is a happy number.

It is not a de Polignac number, because 12794585817 - 2⁷ = 12794585689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12794585897) 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, 221517 + ... + 273237.

It is an arithmetic number, because the mean of its divisors is an integer number (1148435288).

Almost surely, 2^12794585817 is an apocalyptic number.

It is an amenable number.

12794585817 is a deficient number, since it is larger than the sum of its proper divisors (5580378791).

12794585817 is a wasteful number, since it uses less digits than its factorization.

12794585817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58080.

The product of its digits is 5644800, while the sum is 57.

The spelling of 12794585817 in words is "twelve billion, seven hundred ninety-four million, five hundred eighty-five thousand, eight hundred seventeen".