12810065 has 8 divisors (see below), whose sum is σ = 15601920. Its totient is φ = 10094832.

The previous prime is 12810053. The next prime is 12810071. The reversal of 12810065 is 56001821.

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 12810065 - 2⁸ = 12809809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12810065.

It is an unprimeable number.

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, 18785 + ... + 19454.

It is an arithmetic number, because the mean of its divisors is an integer number (1950240).

Almost surely, 2^12810065 is an apocalyptic number.

It is an amenable number.

12810065 is a deficient number, since it is larger than the sum of its proper divisors (2791855).

12810065 is an equidigital number, since it uses as much as digits as its factorization.

12810065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38311.

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

The square root of 12810065 is about 3579.1151141029. The cubic root of 12810065 is about 233.9827159903.

Adding to 12810065 its reverse (56001821), we get a palindrome (68811886).

The spelling of 12810065 in words is "twelve million, eight hundred ten thousand, sixty-five".