12749263 has 2 divisors, whose sum is σ = 12749264. Its totient is φ = 12749262.

The previous prime is 12749239. The next prime is 12749273. The reversal of 12749263 is 36294721.

12749263 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 is a cyclic number.

It is not a de Polignac number, because 12749263 - 2⁹ = 12748751 is a prime.

It is equal to p₈₃₃₉₈₃ and since 12749263 and 833983 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12749273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374631 + 6374632.

It is an arithmetic number, because the mean of its divisors is an integer number (6374632).

Almost surely, 2^12749263 is an apocalyptic number.

12749263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12749263 is an equidigital number, since it uses as much as digits as its factorization.

12749263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 12749263 is about 3570.6110121378. The cubic root of 12749263 is about 233.6119350156.

The spelling of 12749263 in words is "twelve million, seven hundred forty-nine thousand, two hundred sixty-three".