12073189 has 4 divisors (see below), whose sum is σ = 12708640. Its totient is φ = 11437740.

The previous prime is 12073177. The next prime is 12073207. The reversal of 12073189 is 98137021.

12073189 is digitally balanced in base 2, 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: 98137021 = 23 ⋅4266827.

It is a cyclic number.

It is not a de Polignac number, because 12073189 - 2⁵ = 12073157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12073189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317697 + ... + 317734.

It is an arithmetic number, because the mean of its divisors is an integer number (3177160).

Almost surely, 2^12073189 is an apocalyptic number.

12073189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12073189 is a deficient number, since it is larger than the sum of its proper divisors (635451).

12073189 is an equidigital number, since it uses as much as digits as its factorization.

12073189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635450.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12073189 is about 3474.6494787244. The cubic root of 12073189 is about 229.4073526075.

The spelling of 12073189 in words is "twelve million, seventy-three thousand, one hundred eighty-nine".