12988757 has 2 divisors, whose sum is σ = 12988758. Its totient is φ = 12988756.

The previous prime is 12988747. The next prime is 12988769. The reversal of 12988757 is 75788921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7447441 + 5541316 = 2729^2 + 2354^2 .

It is a cyclic number.

It is not a de Polignac number, because 12988757 - 2⁸ = 12988501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12988747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494378 + 6494379.

It is an arithmetic number, because the mean of its divisors is an integer number (6494379).

Almost surely, 2^12988757 is an apocalyptic number.

It is an amenable number.

12988757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12988757 is an equidigital number, since it uses as much as digits as its factorization.

12988757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 47.

The square root of 12988757 is about 3603.9918146411. The cubic root of 12988757 is about 235.0656644628.

The spelling of 12988757 in words is "twelve million, nine hundred eighty-eight thousand, seven hundred fifty-seven".