12800251 has 2 divisors, whose sum is σ = 12800252. Its totient is φ = 12800250.

The previous prime is 12800239. The next prime is 12800267. The reversal of 12800251 is 15200821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12800251 - 2²³ = 4411643 is a prime.

It is not a weakly prime, because it can be changed into another prime (12800951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400125 + 6400126.

It is an arithmetic number, because the mean of its divisors is an integer number (6400126).

Almost surely, 2^12800251 is an apocalyptic number.

12800251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12800251 is an equidigital number, since it uses as much as digits as its factorization.

12800251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 12800251 is about 3577.7438421441. The cubic root of 12800251 is about 233.9229480646.

The spelling of 12800251 in words is "twelve million, eight hundred thousand, two hundred fifty-one".