12289298 has 24 divisors (see below), whose sum is σ = 21699900. Its totient is φ = 5203968.

The previous prime is 12289297. The next prime is 12289309. The reversal of 12289298 is 89298221.

It can be written as a sum of positive squares in 2 ways, for example, as 9443329 + 2845969 = 3073^2 + 1687^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12289297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8018 + ... + 9426.

Almost surely, 2^12289298 is an apocalyptic number.

12289298 is a deficient number, since it is larger than the sum of its proper divisors (9410602).

12289298 is a wasteful number, since it uses less digits than its factorization.

12289298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1507 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 12289298 is about 3505.6095047794. The cubic root of 12289298 is about 230.7680561365.

The spelling of 12289298 in words is "twelve million, two hundred eighty-nine thousand, two hundred ninety-eight".