12716651 has 2 divisors, whose sum is σ = 12716652. Its totient is φ = 12716650.

The previous prime is 12716633. The next prime is 12716653. The reversal of 12716651 is 15661721.

It is a strong prime.

It is an emirp because it is prime and its reverse (15661721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12716651 is a prime.

Together with 12716653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12716653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358325 + 6358326.

It is an arithmetic number, because the mean of its divisors is an integer number (6358326).

Almost surely, 2^12716651 is an apocalyptic number.

12716651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12716651 is an equidigital number, since it uses as much as digits as its factorization.

12716651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 12716651 is about 3566.0413626317. The cubic root of 12716651 is about 233.4125755799.

The spelling of 12716651 in words is "twelve million, seven hundred sixteen thousand, six hundred fifty-one".