12304389 has 8 divisors (see below), whose sum is σ = 16470720. Its totient is φ = 8170496.

The previous prime is 12304373. The next prime is 12304403. The reversal of 12304389 is 98340321.

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

It is a cyclic number.

It is not a de Polignac number, because 12304389 - 2⁴ = 12304373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304309) 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, 7209 + ... + 8750.

It is an arithmetic number, because the mean of its divisors is an integer number (2058840).

Almost surely, 2^12304389 is an apocalyptic number.

It is an amenable number.

12304389 is a deficient number, since it is larger than the sum of its proper divisors (4166331).

12304389 is a wasteful number, since it uses less digits than its factorization.

12304389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16219.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12304389 is about 3507.7612518528. The cubic root of 12304389 is about 230.8624769412.

The spelling of 12304389 in words is "twelve million, three hundred four thousand, three hundred eighty-nine".