12465617 has 2 divisors, whose sum is σ = 12465618. Its totient is φ = 12465616.

The previous prime is 12465613. The next prime is 12465619. The reversal of 12465617 is 71656421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8620096 + 3845521 = 2936^2 + 1961^2 .

It is an emirp because it is prime and its reverse (71656421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12465617 - 2² = 12465613 is a prime.

Together with 12465619, 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 (12465613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6232808 + 6232809.

It is an arithmetic number, because the mean of its divisors is an integer number (6232809).

Almost surely, 2^12465617 is an apocalyptic number.

It is an amenable number.

12465617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12465617 is an equidigital number, since it uses as much as digits as its factorization.

12465617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 12465617 is about 3530.6680670944. The cubic root of 12465617 is about 231.8664572815.

The spelling of 12465617 in words is "twelve million, four hundred sixty-five thousand, six hundred seventeen".