12716122 has 4 divisors (see below), whose sum is σ = 19074186. Its totient is φ = 6358060.

The previous prime is 12716113. The next prime is 12716147. The reversal of 12716122 is 22161721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 2405601 = 3211^2 + 1551^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12716093 and 12716102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3179029 + ... + 3179032.

Almost surely, 2^12716122 is an apocalyptic number.

12716122 is a deficient number, since it is larger than the sum of its proper divisors (6358064).

12716122 is an equidigital number, since it uses as much as digits as its factorization.

12716122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358063.

The product of its digits is 336, while the sum is 22.

The square root of 12716122 is about 3565.9671899781. The cubic root of 12716122 is about 233.4093389582.

Adding to 12716122 its reverse (22161721), we get a palindrome (34877843).

The spelling of 12716122 in words is "twelve million, seven hundred sixteen thousand, one hundred twenty-two".