12751157 has 2 divisors, whose sum is σ = 12751158. Its totient is φ = 12751156.

The previous prime is 12751133. The next prime is 12751159. The reversal of 12751157 is 75115721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8532241 + 4218916 = 2921^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 12751157 - 2⁶ = 12751093 is a prime.

Together with 12751159, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12751159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375578 + 6375579.

It is an arithmetic number, because the mean of its divisors is an integer number (6375579).

Almost surely, 2^12751157 is an apocalyptic number.

It is an amenable number.

12751157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12751157 is an equidigital number, since it uses as much as digits as its factorization.

12751157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2450, while the sum is 29.

The square root of 12751157 is about 3570.8762230019. The cubic root of 12751157 is about 233.6235027195.

Adding to 12751157 its reverse (75115721), we get a palindrome (87866878).

The spelling of 12751157 in words is "twelve million, seven hundred fifty-one thousand, one hundred fifty-seven".