12751237 has 2 divisors, whose sum is σ = 12751238. Its totient is φ = 12751236.

The previous prime is 12751231. The next prime is 12751253. The reversal of 12751237 is 73215721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10751841 + 1999396 = 3279^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 12751237 - 2¹¹ = 12749189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12751231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375618 + 6375619.

It is an arithmetic number, because the mean of its divisors is an integer number (6375619).

Almost surely, 2^12751237 is an apocalyptic number.

It is an amenable number.

12751237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12751237 is an equidigital number, since it uses as much as digits as its factorization.

12751237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 12751237 is about 3570.8874247167. The cubic root of 12751237 is about 233.6239912985.

Adding to 12751237 its reverse (73215721), we get a palindrome (85966958).

The spelling of 12751237 in words is "twelve million, seven hundred fifty-one thousand, two hundred thirty-seven".