12808751 has 2 divisors, whose sum is σ = 12808752. Its totient is φ = 12808750.

The previous prime is 12808739. The next prime is 12808777. The reversal of 12808751 is 15780821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12808751 - 2¹⁰ = 12807727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12808721) 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, 6404375 + 6404376.

It is an arithmetic number, because the mean of its divisors is an integer number (6404376).

Almost surely, 2^12808751 is an apocalyptic number.

12808751 is a deficient number, since it is larger than the sum of its proper divisors (1).

12808751 is an equidigital number, since it uses as much as digits as its factorization.

12808751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12808751 is about 3578.9315444697. The cubic root of 12808751 is about 233.9747154115.

The spelling of 12808751 in words is "twelve million, eight hundred eight thousand, seven hundred fifty-one".