12516701 has 2 divisors, whose sum is σ = 12516702. Its totient is φ = 12516700.

The previous prime is 12516689. The next prime is 12516703. The reversal of 12516701 is 10761521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 1692601 = 3290^2 + 1301^2 .

It is an emirp because it is prime and its reverse (10761521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12516701 - 2²² = 8322397 is a prime.

It is a Sophie Germain prime.

Together with 12516703, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12516703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258350 + 6258351.

It is an arithmetic number, because the mean of its divisors is an integer number (6258351).

Almost surely, 2^12516701 is an apocalyptic number.

It is an amenable number.

12516701 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516701 is an equidigital number, since it uses as much as digits as its factorization.

12516701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 12516701 is about 3537.8949956153. The cubic root of 12516701 is about 232.1827545830.

The spelling of 12516701 in words is "twelve million, five hundred sixteen thousand, seven hundred one".