12808612806 has 16 divisors (see below), whose sum is σ = 27946064448. Its totient is φ = 3881397800.

The previous prime is 12808612763. The next prime is 12808612837. The reversal of 12808612806 is 60821680821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97034880 + ... + 97035011.

It is an arithmetic number, because the mean of its divisors is an integer number (1746629028).

Almost surely, 2^12808612806 is an apocalyptic number.

12808612806 is an abundant number, since it is smaller than the sum of its proper divisors (15137451642).

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

12808612806 is a wasteful number, since it uses less digits than its factorization.

12808612806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194069907.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 12808612806 in words is "twelve billion, eight hundred eight million, six hundred twelve thousand, eight hundred six".