12517493 has 2 divisors, whose sum is σ = 12517494. Its totient is φ = 12517492.

The previous prime is 12517489. The next prime is 12517511. The reversal of 12517493 is 39471521.

12517493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12517444 + 49 = 3538^2 + 7^2 .

It is an emirp because it is prime and its reverse (39471521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12517493 - 2² = 12517489 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12517403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258746 + 6258747.

It is an arithmetic number, because the mean of its divisors is an integer number (6258747).

Almost surely, 2^12517493 is an apocalyptic number.

It is an amenable number.

12517493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12517493 is an equidigital number, since it uses as much as digits as its factorization.

12517493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 12517493 is about 3538.0069248095. The cubic root of 12517493 is about 232.1876516365.

The spelling of 12517493 in words is "twelve million, five hundred seventeen thousand, four hundred ninety-three".