12814517 has 2 divisors, whose sum is σ = 12814518. Its totient is φ = 12814516.

The previous prime is 12814513. The next prime is 12814537. The reversal of 12814517 is 71541821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 3334276 = 3079^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 12814517 - 2² = 12814513 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12814517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12814513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6407258 + 6407259.

It is an arithmetic number, because the mean of its divisors is an integer number (6407259).

Almost surely, 2^12814517 is an apocalyptic number.

It is an amenable number.

12814517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12814517 is an equidigital number, since it uses as much as digits as its factorization.

12814517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 29.

The square root of 12814517 is about 3579.7370015128. The cubic root of 12814517 is about 234.0098189076.

It can be divided in two parts, 12814 and 517, that added together give a palindrome (13331).

The spelling of 12814517 in words is "twelve million, eight hundred fourteen thousand, five hundred seventeen".