12864263 has 2 divisors, whose sum is σ = 12864264. Its totient is φ = 12864262.

The previous prime is 12864251. The next prime is 12864307. The reversal of 12864263 is 36246821.

12864263 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12864263 - 2¹⁶ = 12798727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12864233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6432131 + 6432132.

It is an arithmetic number, because the mean of its divisors is an integer number (6432132).

Almost surely, 2^12864263 is an apocalyptic number.

12864263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12864263 is an equidigital number, since it uses as much as digits as its factorization.

12864263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 12864263 is about 3586.6785470683. The cubic root of 12864263 is about 234.3122368950.

The spelling of 12864263 in words is "twelve million, eight hundred sixty-four thousand, two hundred sixty-three".