12863408208 has 80 divisors (see below), whose sum is σ = 38458490880. Its totient is φ = 3628729728.

The previous prime is 12863408141. The next prime is 12863408209. The reversal of 12863408208 is 80280436821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 12863408208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863408209) 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, 215760 + ... + 268847.

It is an arithmetic number, because the mean of its divisors is an integer number (480731136).

Almost surely, 2^12863408208 is an apocalyptic number.

It is an amenable number.

12863408208 is an abundant number, since it is smaller than the sum of its proper divisors (25595082672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12863408208 is a wasteful number, since it uses less digits than its factorization.

12863408208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484704 (or 484698 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 12863408208 in words is "twelve billion, eight hundred sixty-three million, four hundred eight thousand, two hundred eight".