12694378286 has 8 divisors (see below), whose sum is σ = 19364306040. Its totient is φ = 6239609608.

The previous prime is 12694378283. The next prime is 12694378297. The reversal of 12694378286 is 68287349621.

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

It is a super-2 number, since 2×12694378286² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694378283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53789621 + ... + 53789856.

It is an arithmetic number, because the mean of its divisors is an integer number (2420538255).

Almost surely, 2^12694378286 is an apocalyptic number.

12694378286 is a deficient number, since it is larger than the sum of its proper divisors (6669927754).

12694378286 is a wasteful number, since it uses less digits than its factorization.

12694378286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107579538.

The product of its digits is 6967296, while the sum is 56.

The spelling of 12694378286 in words is "twelve billion, six hundred ninety-four million, three hundred seventy-eight thousand, two hundred eighty-six".