12786436366 has 8 divisors (see below), whose sum is σ = 20923259544. Its totient is φ = 5812016520.

The previous prime is 12786436337. The next prime is 12786436367. The reversal of 12786436366 is 66363468721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12786436367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290600805 + ... + 290600848.

It is an arithmetic number, because the mean of its divisors is an integer number (2615407443).

Almost surely, 2^12786436366 is an apocalyptic number.

12786436366 is a deficient number, since it is larger than the sum of its proper divisors (8136823178).

12786436366 is a wasteful number, since it uses less digits than its factorization.

12786436366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581201666.

The product of its digits is 5225472, while the sum is 52.

The spelling of 12786436366 in words is "twelve billion, seven hundred eighty-six million, four hundred thirty-six thousand, three hundred sixty-six".