12433389 has 8 divisors (see below), whose sum is σ = 16764480. Its totient is φ = 8195616.

The previous prime is 12433381. The next prime is 12433397. The reversal of 12433389 is 98333421.

It is a happy number.

12433389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12433381) and next prime (12433397).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12433389 - 2³ = 12433381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12433381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23017 + ... + 23550.

It is an arithmetic number, because the mean of its divisors is an integer number (2095560).

Almost surely, 2^12433389 is an apocalyptic number.

It is an amenable number.

12433389 is a deficient number, since it is larger than the sum of its proper divisors (4331091).

12433389 is an equidigital number, since it uses as much as digits as its factorization.

12433389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46659.

The product of its digits is 15552, while the sum is 33.

The square root of 12433389 is about 3526.1011046197. The cubic root of 12433389 is about 231.6664660788. Note that the first 3 decimals are identical.

The spelling of 12433389 in words is "twelve million, four hundred thirty-three thousand, three hundred eighty-nine".