12306065 has 8 divisors (see below), whose sum is σ = 14794920. Its totient is φ = 9826432.

The previous prime is 12306061. The next prime is 12306137. The reversal of 12306065 is 56060321.

It is a Cunningham number, because it is equal to 3508²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 12306064 = 1^2 + 3508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12306065 - 2² = 12306061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12306065.

It is not an unprimeable number, because it can be changed into a prime (12306061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 5079.

It is an arithmetic number, because the mean of its divisors is an integer number (1849365).

Almost surely, 2^12306065 is an apocalyptic number.

It is an amenable number.

12306065 is a deficient number, since it is larger than the sum of its proper divisors (2488855).

12306065 is an equidigital number, since it uses as much as digits as its factorization.

12306065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 12306065 is about 3508.0001425314. Note that the first 3 decimals coincide. The cubic root of 12306065 is about 230.8729585112.

Adding to 12306065 its reverse (56060321), we get a palindrome (68366386).

The spelling of 12306065 in words is "twelve million, three hundred six thousand, sixty-five".