12018065 has 12 divisors (see below), whose sum is σ = 15321756. Its totient is φ = 9047808.

The previous prime is 12018059. The next prime is 12018101. The reversal of 12018065 is 56081021.

12018065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3297856 + 8720209 = 1816^2 + 2953^2 .

It is not a de Polignac number, because 12018065 - 2⁶ = 12018001 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 12018065.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2714 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (1276813).

Almost surely, 2^12018065 is an apocalyptic number.

It is an amenable number.

12018065 is a deficient number, since it is larger than the sum of its proper divisors (3303691).

12018065 is an equidigital number, since it uses as much as digits as its factorization.

12018065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356 (or 8339 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 12018065 is about 3466.7080927012. The cubic root of 12018065 is about 229.0576757023.

Adding to 12018065 its reverse (56081021), we get a palindrome (68099086).

The spelling of 12018065 in words is "twelve million, eighteen thousand, sixty-five".