12283889 has 4 divisors (see below), whose sum is σ = 12615924. Its totient is φ = 11951856.

The previous prime is 12283867. The next prime is 12283897. The reversal of 12283889 is 98838221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4950625 + 7333264 = 2225^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 12283889 - 2¹² = 12279793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12283819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165962 + ... + 166035.

It is an arithmetic number, because the mean of its divisors is an integer number (3153981).

Almost surely, 2^12283889 is an apocalyptic number.

It is an amenable number.

12283889 is a deficient number, since it is larger than the sum of its proper divisors (332035).

12283889 is an equidigital number, since it uses as much as digits as its factorization.

12283889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332034.

The product of its digits is 55296, while the sum is 41.

The square root of 12283889 is about 3504.8379420453. The cubic root of 12283889 is about 230.7341944900.

The spelling of 12283889 in words is "twelve million, two hundred eighty-three thousand, eight hundred eighty-nine".