12185273 has 2 divisors, whose sum is σ = 12185274. Its totient is φ = 12185272.

The previous prime is 12185231. The next prime is 12185279. The reversal of 12185273 is 37258121.

12185273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6927424 + 5257849 = 2632^2 + 2293^2 .

It is an emirp because it is prime and its reverse (37258121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12185273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12185279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6092636 + 6092637.

It is an arithmetic number, because the mean of its divisors is an integer number (6092637).

Almost surely, 2^12185273 is an apocalyptic number.

It is an amenable number.

12185273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12185273 is an equidigital number, since it uses as much as digits as its factorization.

12185273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 12185273 is about 3490.7410388054. The cubic root of 12185273 is about 230.1150841831.

The spelling of 12185273 in words is "twelve million, one hundred eighty-five thousand, two hundred seventy-three".