12182089 has 2 divisors, whose sum is σ = 12182090. Its totient is φ = 12182088.

The previous prime is 12182077. The next prime is 12182123. The reversal of 12182089 is 98028121.

It is a happy number.

12182089 is digitally balanced in base 2, 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., 12145225 + 36864 = 3485^2 + 192^2 .

It is an emirp because it is prime and its reverse (98028121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12182089 - 2⁹ = 12181577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12182089.

It is not a weakly prime, because it can be changed into another prime (12182189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091044 + 6091045.

It is an arithmetic number, because the mean of its divisors is an integer number (6091045).

Almost surely, 2^12182089 is an apocalyptic number.

It is an amenable number.

12182089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12182089 is an equidigital number, since it uses as much as digits as its factorization.

12182089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12182089 is about 3490.2849453877. The cubic root of 12182089 is about 230.0950394878.

The spelling of 12182089 in words is "twelve million, one hundred eighty-two thousand, eighty-nine".