12716157 has 4 divisors (see below), whose sum is σ = 16954880. Its totient is φ = 8477436.

The previous prime is 12716147. The next prime is 12716159. The reversal of 12716157 is 75161721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12716157 - 2¹² = 12712061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12716159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119357 + ... + 2119362.

It is an arithmetic number, because the mean of its divisors is an integer number (4238720).

Almost surely, 2^12716157 is an apocalyptic number.

It is an amenable number.

12716157 is a deficient number, since it is larger than the sum of its proper divisors (4238723).

12716157 is an equidigital number, since it uses as much as digits as its factorization.

12716157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238722.

The product of its digits is 2940, while the sum is 30.

The square root of 12716157 is about 3565.9720974792. The cubic root of 12716157 is about 233.4095531042.

Adding to 12716157 its reverse (75161721), we get a palindrome (87877878).

The spelling of 12716157 in words is "twelve million, seven hundred sixteen thousand, one hundred fifty-seven".