12793165807 has 2 divisors, whose sum is σ = 12793165808. Its totient is φ = 12793165806.

The previous prime is 12793165793. The next prime is 12793165813. The reversal of 12793165807 is 70856139721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12793165807 is a prime.

It is a super-2 number, since 2×12793165807² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12793165867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6396582903 + 6396582904.

It is an arithmetic number, because the mean of its divisors is an integer number (6396582904).

Almost surely, 2^12793165807 is an apocalyptic number.

12793165807 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793165807 is an equidigital number, since it uses as much as digits as its factorization.

12793165807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 12793165807 in words is "twelve billion, seven hundred ninety-three million, one hundred sixty-five thousand, eight hundred seven".