12706859 has 4 divisors (see below), whose sum is σ = 13862040. Its totient is φ = 11551680.

The previous prime is 12706847. The next prime is 12706937. The reversal of 12706859 is 95860721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12706859 - 2¹² = 12702763 is a prime.

It is a super-3 number, since 3×12706859³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12706819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577574 + ... + 577595.

It is an arithmetic number, because the mean of its divisors is an integer number (3465510).

Almost surely, 2^12706859 is an apocalyptic number.

12706859 is a deficient number, since it is larger than the sum of its proper divisors (1155181).

12706859 is a wasteful number, since it uses less digits than its factorization.

12706859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155180.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12706859 is about 3564.6681472474. The cubic root of 12706859 is about 233.3526498748.

The spelling of 12706859 in words is "twelve million, seven hundred six thousand, eight hundred fifty-nine".