12751137 has 24 divisors (see below), whose sum is σ = 21731840. Its totient is φ = 7050240.

The previous prime is 12751133. The next prime is 12751157. The reversal of 12751137 is 73115721.

It is a happy number.

It is not a de Polignac number, because 12751137 - 2² = 12751133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12751137.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1312 + ... + 5217.

Almost surely, 2^12751137 is an apocalyptic number.

It is an amenable number.

12751137 is a deficient number, since it is larger than the sum of its proper divisors (8980703).

12751137 is a wasteful number, since it uses less digits than its factorization.

12751137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573 (or 6570 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 12751137 is about 3570.8734225676. The cubic root of 12751137 is about 233.6233805744.

Adding to 12751137 its reverse (73115721), we get a palindrome (85866858).

The spelling of 12751137 in words is "twelve million, seven hundred fifty-one thousand, one hundred thirty-seven".