12752137 has 2 divisors, whose sum is σ = 12752138. Its totient is φ = 12752136.

The previous prime is 12752071. The next prime is 12752147. The reversal of 12752137 is 73125721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 808201 = 3456^2 + 899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12752137 is a prime.

It is not a weakly prime, because it can be changed into another prime (12752147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376068 + 6376069.

It is an arithmetic number, because the mean of its divisors is an integer number (6376069).

Almost surely, 2^12752137 is an apocalyptic number.

It is an amenable number.

12752137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12752137 is an equidigital number, since it uses as much as digits as its factorization.

12752137 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 12752137 is about 3571.0134415877. The cubic root of 12752137 is about 233.6294876710.

Adding to 12752137 its reverse (73125721), we get a palindrome (85877858).

The spelling of 12752137 in words is "twelve million, seven hundred fifty-two thousand, one hundred thirty-seven".