12715157 has 12 divisors (see below), whose sum is σ = 15929676. Its totient is φ = 10059840.

The previous prime is 12715151. The next prime is 12715189. The reversal of 12715157 is 75151721.

It can be written as a sum of positive squares in 2 ways, for example, as 7150276 + 5564881 = 2674^2 + 2359^2 .

It is not a de Polignac number, because 12715157 - 2⁶ = 12715093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12715151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9344 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (1327473).

Almost surely, 2^12715157 is an apocalyptic number.

It is an amenable number.

12715157 is a deficient number, since it is larger than the sum of its proper divisors (3214519).

12715157 is a wasteful number, since it uses less digits than its factorization.

12715157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988 (or 19981 counting only the distinct ones).

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

The square root of 12715157 is about 3565.8318805014. The cubic root of 12715157 is about 233.4034344927.

Adding to 12715157 its reverse (75151721), we get a palindrome (87866878).

The spelling of 12715157 in words is "twelve million, seven hundred fifteen thousand, one hundred fifty-seven".