12308173 has 2 divisors, whose sum is σ = 12308174. Its totient is φ = 12308172.

The previous prime is 12308141. The next prime is 12308201. The reversal of 12308173 is 37180321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8219689 + 4088484 = 2867^2 + 2022^2 .

It is a cyclic number.

It is not a de Polignac number, because 12308173 - 2⁵ = 12308141 is a prime.

It is a super-2 number, since 2×12308173² = 302982245195858, which contains 22 as substring.

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, 6154086 + 6154087.

It is an arithmetic number, because the mean of its divisors is an integer number (6154087).

Almost surely, 2^12308173 is an apocalyptic number.

It is an amenable number.

12308173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308173 is an equidigital number, since it uses as much as digits as its factorization.

12308173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12308173 is about 3508.3005857537. The cubic root of 12308173 is about 230.8861404235.

Adding to 12308173 its reverse (37180321), we get a palindrome (49488494).

The spelling of 12308173 in words is "twelve million, three hundred eight thousand, one hundred seventy-three".