12790307251 has 4 divisors (see below), whose sum is σ = 12790534072. Its totient is φ = 12790080432.

The previous prime is 12790307239. The next prime is 12790307263. The reversal of 12790307251 is 15270309721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (12790307239) and next prime (12790307263).

It is a cyclic number.

It is not a de Polignac number, because 12790307251 - 2¹⁹ = 12789782963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12790307251.

It is not an unprimeable number, because it can be changed into a prime (12790307281) 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, 44020 + ... + 165886.

It is an arithmetic number, because the mean of its divisors is an integer number (3197633518).

Almost surely, 2^12790307251 is an apocalyptic number.

12790307251 is a deficient number, since it is larger than the sum of its proper divisors (226821).

12790307251 is a wasteful number, since it uses less digits than its factorization.

12790307251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226820.

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 12790307251 in words is "twelve billion, seven hundred ninety million, three hundred seven thousand, two hundred fifty-one".