12751263 has 40 divisors (see below), whose sum is σ = 22318208. Its totient is φ = 7103376.

The previous prime is 12751253. The next prime is 12751283. The reversal of 12751263 is 36215721.

It is a happy number.

12751263 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12751263 - 2⁵ = 12751231 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24120 + ... + 24642.

Almost surely, 2^12751263 is an apocalyptic number.

12751263 is a deficient number, since it is larger than the sum of its proper divisors (9566945).

12751263 is an equidigital number, since it uses as much as digits as its factorization.

12751263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 576 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12751263 is about 3570.8910652665. The cubic root of 12751263 is about 233.6241500862.

Adding to 12751263 its reverse (36215721), we get a palindrome (48966984).

The spelling of 12751263 in words is "twelve million, seven hundred fifty-one thousand, two hundred sixty-three".