12828757 has 2 divisors, whose sum is σ = 12828758. Its totient is φ = 12828756.

The previous prime is 12828721. The next prime is 12828763. The reversal of 12828757 is 75782821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11895601 + 933156 = 3449^2 + 966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12828757 is a prime.

It is a super-3 number, since 3×12828757³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12828707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6414378 + 6414379.

It is an arithmetic number, because the mean of its divisors is an integer number (6414379).

Almost surely, 2^12828757 is an apocalyptic number.

It is an amenable number.

12828757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12828757 is an equidigital number, since it uses as much as digits as its factorization.

12828757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 40.

The square root of 12828757 is about 3581.7254221953. The cubic root of 12828757 is about 234.0964671534.

The spelling of 12828757 in words is "twelve million, eight hundred twenty-eight thousand, seven hundred fifty-seven".