12648408207065 has 16 divisors (see below), whose sum is σ = 15336340070400. Its totient is φ = 10013727608640.

The previous prime is 12648408207023. The next prime is 12648408207091. The reversal of 12648408207065 is 56070280484621.

It is a de Polignac number, because none of the positive numbers 2^k-12648408207065 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12648408206998 and 12648408207016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31122329 + ... + 31526118.

It is an arithmetic number, because the mean of its divisors is an integer number (958521254400).

Almost surely, 2^{12648408207065} is an apocalyptic number.

It is an amenable number.

12648408207065 is a deficient number, since it is larger than the sum of its proper divisors (2687931863335).

12648408207065 is a wasteful number, since it uses less digits than its factorization.

12648408207065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62648872.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 12648408207065 in words is "twelve trillion, six hundred forty-eight billion, four hundred eight million, two hundred seven thousand, sixty-five".