12716138 has 16 divisors (see below), whose sum is σ = 19782144. Its totient is φ = 6124080.

The previous prime is 12716113. The next prime is 12716147. The reversal of 12716138 is 83161721.

It is a self number, because there is not a number n which added to its sum of digits gives 12716138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19331 + ... + 19977.

It is an arithmetic number, because the mean of its divisors is an integer number (1236384).

Almost surely, 2^12716138 is an apocalyptic number.

12716138 is a deficient number, since it is larger than the sum of its proper divisors (7066006).

12716138 is a wasteful number, since it uses less digits than its factorization.

12716138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its digits is 2016, while the sum is 29.

The square root of 12716138 is about 3565.9694334080. The cubic root of 12716138 is about 233.4094368535.

Adding to 12716138 its reverse (83161721), we get a palindrome (95877859).

The spelling of 12716138 in words is "twelve million, seven hundred sixteen thousand, one hundred thirty-eight".