12258856793 has 4 divisors (see below), whose sum is σ = 12260797620. Its totient is φ = 12256915968.

The previous prime is 12258856789. The next prime is 12258856807. The reversal of 12258856793 is 39765885221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5357068864 + 6901787929 = 73192^2 + 83077^2 .

It is a cyclic number.

It is not a de Polignac number, because 12258856793 - 2² = 12258856789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12258856693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960908 + ... + 973581.

It is an arithmetic number, because the mean of its divisors is an integer number (3065199405).

Almost surely, 2^12258856793 is an apocalyptic number.

It is an amenable number.

12258856793 is a deficient number, since it is larger than the sum of its proper divisors (1940827).

12258856793 is an equidigital number, since it uses as much as digits as its factorization.

12258856793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940826.

The product of its digits is 7257600, while the sum is 56.

The spelling of 12258856793 in words is "twelve billion, two hundred fifty-eight million, eight hundred fifty-six thousand, seven hundred ninety-three".