12238289 has 12 divisors (see below), whose sum is σ = 14295600. Its totient is φ = 10446408.

The previous prime is 12238279. The next prime is 12238297. The reversal of 12238289 is 98283221.

It is not a de Polignac number, because 12238289 - 2¹⁶ = 12172753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12238229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18242 + ... + 18900.

It is an arithmetic number, because the mean of its divisors is an integer number (1191300).

Almost surely, 2^12238289 is an apocalyptic number.

It is an amenable number.

12238289 is a deficient number, since it is larger than the sum of its proper divisors (2057311).

12238289 is an equidigital number, since it uses as much as digits as its factorization.

12238289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1045 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 12238289 is about 3498.3265999618. The cubic root of 12238289 is about 230.4483315631.

The spelling of 12238289 in words is "twelve million, two hundred thirty-eight thousand, two hundred eighty-nine".