12726786 has 8 divisors (see below), whose sum is σ = 25453584. Its totient is φ = 4242260.

The previous prime is 12726773. The next prime is 12726787. The reversal of 12726786 is 68762721.

It is a sphenic number, since it is the product of 3 distinct primes.

12726786 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12726787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060560 + ... + 1060571.

It is an arithmetic number, because the mean of its divisors is an integer number (3181698).

Almost surely, 2^12726786 is an apocalyptic number.

12726786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12726786 is a wasteful number, since it uses less digits than its factorization.

12726786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121136.

The product of its digits is 56448, while the sum is 39.

The square root of 12726786 is about 3567.4621231346. The cubic root of 12726786 is about 233.4745680093.

The spelling of 12726786 in words is "twelve million, seven hundred twenty-six thousand, seven hundred eighty-six".