12786659345 has 8 divisors (see below), whose sum is σ = 15454380480. Its totient is φ = 10155734640.

The previous prime is 12786659297. The next prime is 12786659363. The reversal of 12786659345 is 54395668721.

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

It is not a de Polignac number, because 12786659345 - 2¹⁴ = 12786642961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9198341 + ... + 9199730.

It is an arithmetic number, because the mean of its divisors is an integer number (1931797560).

Almost surely, 2^12786659345 is an apocalyptic number.

It is an amenable number.

12786659345 is a deficient number, since it is larger than the sum of its proper divisors (2667721135).

12786659345 is a wasteful number, since it uses less digits than its factorization.

12786659345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398215.

The product of its digits is 10886400, while the sum is 56.

The spelling of 12786659345 in words is "twelve billion, seven hundred eighty-six million, six hundred fifty-nine thousand, three hundred forty-five".