12308117 has 2 divisors, whose sum is σ = 12308118. Its totient is φ = 12308116.

The previous prime is 12308113. The next prime is 12308123. The reversal of 12308117 is 71180321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11600836 + 707281 = 3406^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 12308117 - 2² = 12308113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12308092 and 12308101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12308113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154058 + 6154059.

It is an arithmetic number, because the mean of its divisors is an integer number (6154059).

Almost surely, 2^12308117 is an apocalyptic number.

It is an amenable number.

12308117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308117 is an equidigital number, since it uses as much as digits as its factorization.

12308117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12308117 is about 3508.2926046725. The cubic root of 12308117 is about 230.8857902594.

Adding to 12308117 its reverse (71180321), we get a palindrome (83488438).

The spelling of 12308117 in words is "twelve million, three hundred eight thousand, one hundred seventeen".