12089443 has 2 divisors, whose sum is σ = 12089444. Its totient is φ = 12089442.

The previous prime is 12089437. The next prime is 12089447. The reversal of 12089443 is 34498021.

12089443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34498021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12089443 - 2¹⁷ = 11958371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12089447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6044721 + 6044722.

It is an arithmetic number, because the mean of its divisors is an integer number (6044722).

Almost surely, 2^12089443 is an apocalyptic number.

12089443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12089443 is an equidigital number, since it uses as much as digits as its factorization.

12089443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12089443 is about 3476.9876329950. The cubic root of 12089443 is about 229.5102559641.

The spelling of 12089443 in words is "twelve million, eighty-nine thousand, four hundred forty-three".