12194317 has 2 divisors, whose sum is σ = 12194318. Its totient is φ = 12194316.

The previous prime is 12194311. The next prime is 12194339. The reversal of 12194317 is 71349121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9418761 + 2775556 = 3069^2 + 1666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12194317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12194311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097158 + 6097159.

It is an arithmetic number, because the mean of its divisors is an integer number (6097159).

Almost surely, 2^12194317 is an apocalyptic number.

It is an amenable number.

12194317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12194317 is an equidigital number, since it uses as much as digits as its factorization.

12194317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

The square root of 12194317 is about 3492.0362254707. The cubic root of 12194317 is about 230.1720011448.

The spelling of 12194317 in words is "twelve million, one hundred ninety-four thousand, three hundred seventeen".