12000289 has 4 divisors (see below), whose sum is σ = 13714624. Its totient is φ = 10285956.

The previous prime is 12000281. The next prime is 12000353. The reversal of 12000289 is 98200021.

12000289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98200021 = 859 ⋅114319.

It is a cyclic number.

It is not a de Polignac number, because 12000289 - 2³ = 12000281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000281) 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 3 ways as a sum of consecutive naturals, for example, 857157 + ... + 857170.

It is an arithmetic number, because the mean of its divisors is an integer number (3428656).

Almost surely, 2^12000289 is an apocalyptic number.

It is an amenable number.

12000289 is a deficient number, since it is larger than the sum of its proper divisors (1714335).

12000289 is an equidigital number, since it uses as much as digits as its factorization.

12000289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714334.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12000289 is about 3464.1433284436. The cubic root of 12000289 is about 228.9446863982.

The spelling of 12000289 in words is "twelve million, two hundred eighty-nine", and thus it is an aban number.