12185497 has 2 divisors, whose sum is σ = 12185498. Its totient is φ = 12185496.

The previous prime is 12185477. The next prime is 12185521. The reversal of 12185497 is 79458121.

12185497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11095561 + 1089936 = 3331^2 + 1044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12185497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12185417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6092748 + 6092749.

It is an arithmetic number, because the mean of its divisors is an integer number (6092749).

Almost surely, 2^12185497 is an apocalyptic number.

It is an amenable number.

12185497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12185497 is an equidigital number, since it uses as much as digits as its factorization.

12185497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 12185497 is about 3490.7731235358. The cubic root of 12185497 is about 230.1164942312.

The spelling of 12185497 in words is "twelve million, one hundred eighty-five thousand, four hundred ninety-seven".