12394873 has 2 divisors, whose sum is σ = 12394874. Its totient is φ = 12394872.

The previous prime is 12394849. The next prime is 12394883. The reversal of 12394873 is 37849321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11202409 + 1192464 = 3347^2 + 1092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12394873 is a prime.

It is a super-2 number, since 2×12394873² = 307265753372258, which contains 22 as substring.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6197436 + 6197437.

It is an arithmetic number, because the mean of its divisors is an integer number (6197437).

Almost surely, 2^12394873 is an apocalyptic number.

It is an amenable number.

12394873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12394873 is an equidigital number, since it uses as much as digits as its factorization.

12394873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 12394873 is about 3520.6353119856. The cubic root of 12394873 is about 231.4270007913.

The spelling of 12394873 in words is "twelve million, three hundred ninety-four thousand, eight hundred seventy-three".