12845065 has 4 divisors (see below), whose sum is σ = 15414084. Its totient is φ = 10276048.

The previous prime is 12845033. The next prime is 12845069. The reversal of 12845065 is 56054821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56054821 = 239 ⋅234539.

It can be written as a sum of positive squares in 2 ways, for example, as 4613904 + 8231161 = 2148^2 + 2869^2 .

It is a cyclic number.

It is not a de Polignac number, because 12845065 - 2⁵ = 12845033 is a prime.

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 (12845069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284502 + ... + 1284511.

It is an arithmetic number, because the mean of its divisors is an integer number (3853521).

Almost surely, 2^12845065 is an apocalyptic number.

It is an amenable number.

12845065 is a deficient number, since it is larger than the sum of its proper divisors (2569019).

12845065 is an equidigital number, since it uses as much as digits as its factorization.

12845065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569018.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 12845065 is about 3584.0012555801. The cubic root of 12845065 is about 234.1956201385.

Adding to 12845065 its reverse (56054821), we get a palindrome (68899886).

The spelling of 12845065 in words is "twelve million, eight hundred forty-five thousand, sixty-five".