12394817 has 2 divisors, whose sum is σ = 12394818. Its totient is φ = 12394816.

The previous prime is 12394813. The next prime is 12394829. The reversal of 12394817 is 71849321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8976016 + 3418801 = 2996^2 + 1849^2 .

It is a cyclic number.

It is not a de Polignac number, because 12394817 - 2² = 12394813 is a prime.

It is not a weakly prime, because it can be changed into another prime (12394813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197408 + 6197409.

It is an arithmetic number, because the mean of its divisors is an integer number (6197409).

Almost surely, 2^12394817 is an apocalyptic number.

It is an amenable number.

12394817 is a deficient number, since it is larger than the sum of its proper divisors (1).

12394817 is an equidigital number, since it uses as much as digits as its factorization.

12394817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 12394817 is about 3520.6273588666. The cubic root of 12394817 is about 231.4266522620.

The spelling of 12394817 in words is "twelve million, three hundred ninety-four thousand, eight hundred seventeen".