12706806081 has 8 divisors (see below), whose sum is σ = 16953807744. Its totient is φ = 8465504240.

The previous prime is 12706806071. The next prime is 12706806089. The reversal of 12706806081 is 18060860721.

12706806081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12706806081 - 2¹³ = 12706797889 is a prime.

It is a super-2 number, since 2×12706806081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12706806089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419750 + ... + 1428671.

It is an arithmetic number, because the mean of its divisors is an integer number (2119225968).

Almost surely, 2^12706806081 is an apocalyptic number.

It is an amenable number.

12706806081 is a deficient number, since it is larger than the sum of its proper divisors (4247001663).

12706806081 is a wasteful number, since it uses less digits than its factorization.

12706806081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849911.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 12706806081 in words is "twelve billion, seven hundred six million, eight hundred six thousand, eighty-one".