12168065 has 32 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 7524864.

The previous prime is 12168053. The next prime is 12168067. The reversal of 12168065 is 56086121.

It is a happy number.

12168065 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12168065 - 2⁶ = 12168001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12168067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21101 + ... + 21669.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^12168065 is an apocalyptic number.

It is an amenable number.

12168065 is a deficient number, since it is larger than the sum of its proper divisors (6217855).

12168065 is a wasteful number, since it uses less digits than its factorization.

12168065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12168065 is about 3488.2753618371. The cubic root of 12168065 is about 230.0067105793.

It can be divided in two parts, 121 and 68065, that added together give a palindrome (68186).

The spelling of 12168065 in words is "twelve million, one hundred sixty-eight thousand, sixty-five".