12869236782 has 48 divisors (see below), whose sum is σ = 29108626560. Its totient is φ = 4101407376.

The previous prime is 12869236753. The next prime is 12869236789. The reversal of 12869236782 is 28763296821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869236789) 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 23 ways as a sum of consecutive naturals, for example, 1161553 + ... + 1172579.

It is an arithmetic number, because the mean of its divisors is an integer number (606429720).

Almost surely, 2^12869236782 is an apocalyptic number.

12869236782 is an abundant number, since it is smaller than the sum of its proper divisors (16239389778).

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

12869236782 is a wasteful number, since it uses less digits than its factorization.

12869236782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13877 (or 13874 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 12869236782 in words is "twelve billion, eight hundred sixty-nine million, two hundred thirty-six thousand, seven hundred eighty-two".