12864757 has 2 divisors, whose sum is σ = 12864758. Its totient is φ = 12864756.

The previous prime is 12864749. The next prime is 12864763. The reversal of 12864757 is 75746821.

12864757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 1615441 = 3354^2 + 1271^2 .

It is an emirp because it is prime and its reverse (75746821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12864757 - 2³ = 12864749 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 (12864707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6432378 + 6432379.

It is an arithmetic number, because the mean of its divisors is an integer number (6432379).

Almost surely, 2^12864757 is an apocalyptic number.

It is an amenable number.

12864757 is a deficient number, since it is larger than the sum of its proper divisors (1).

12864757 is an equidigital number, since it uses as much as digits as its factorization.

12864757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 12864757 is about 3586.7474123501. The cubic root of 12864757 is about 234.3152361279.

The spelling of 12864757 in words is "twelve million, eight hundred sixty-four thousand, seven hundred fifty-seven".