12751136 has 12 divisors (see below), whose sum is σ = 25103862. Its totient is φ = 6375552.

The previous prime is 12751133. The next prime is 12751157. The reversal of 12751136 is 63115721.

It can be written as a sum of positive squares in only one way, i.e., 11262736 + 1488400 = 3356^2 + 1220^2 .

It is not an unprimeable number, because it can be changed into a prime (12751133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199205 + ... + 199268.

Almost surely, 2^12751136 is an apocalyptic number.

12751136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12751136 is a deficient number, since it is larger than the sum of its proper divisors (12352726).

12751136 is an equidigital number, since it uses as much as digits as its factorization.

12751136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398483 (or 398475 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 12751136 is about 3570.8732825459. The cubic root of 12751136 is about 233.6233744672.

Adding to 12751136 its reverse (63115721), we get a palindrome (75866857).

The spelling of 12751136 in words is "twelve million, seven hundred fifty-one thousand, one hundred thirty-six".