12826617839 has 24 divisors (see below), whose sum is σ = 15425836128. Its totient is φ = 10626033600.

The previous prime is 12826617833. The next prime is 12826617893. The reversal of 12826617839 is 93871662821.

It is a de Polignac number, because none of the positive numbers 2^k-12826617839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826617833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250337 + ... + 297189.

It is an arithmetic number, because the mean of its divisors is an integer number (642743172).

Almost surely, 2^12826617839 is an apocalyptic number.

12826617839 is a deficient number, since it is larger than the sum of its proper divisors (2599218289).

12826617839 is a wasteful number, since it uses less digits than its factorization.

12826617839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47055 (or 47048 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The spelling of 12826617839 in words is "twelve billion, eight hundred twenty-six million, six hundred seventeen thousand, eight hundred thirty-nine".