12808065 has 16 divisors (see below), whose sum is σ = 20619648. Its totient is φ = 6788736.

The previous prime is 12808063. The next prime is 12808091. The reversal of 12808065 is 56080821.

12808065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12808065 - 2¹ = 12808063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12808063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (1288728).

Almost surely, 2^12808065 is an apocalyptic number.

12808065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12808065 is a deficient number, since it is larger than the sum of its proper divisors (7811583).

12808065 is a wasteful number, since it uses less digits than its factorization.

12808065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 12808065 is about 3578.8357045274. The cubic root of 12808065 is about 233.9705383319.

Adding to 12808065 its reverse (56080821), we get a palindrome (68888886).

The spelling of 12808065 in words is "twelve million, eight hundred eight thousand, sixty-five".