12089065 has 4 divisors (see below), whose sum is σ = 14506884. Its totient is φ = 9671248.

The previous prime is 12089059. The next prime is 12089069. The reversal of 12089065 is 56098021.

12089065 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 10863616 = 1107^2 + 3296^2 .

It is a cyclic number.

It is not a de Polignac number, because 12089065 - 2²³ = 3700457 is a prime.

It is a super-2 number, since 2×12089065² = 292290985148450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12089069) 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, 1208902 + ... + 1208911.

It is an arithmetic number, because the mean of its divisors is an integer number (3626721).

Almost surely, 2^12089065 is an apocalyptic number.

It is an amenable number.

12089065 is a deficient number, since it is larger than the sum of its proper divisors (2417819).

12089065 is an equidigital number, since it uses as much as digits as its factorization.

12089065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417818.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 12089065 is about 3476.9332751722. The cubic root of 12089065 is about 229.5078639107.

The spelling of 12089065 in words is "twelve million, eighty-nine thousand, sixty-five".