12789631424 has 28 divisors (see below), whose sum is σ = 26715186600. Its totient is φ = 6058245888.

The previous prime is 12789631423. The next prime is 12789631433. The reversal of 12789631424 is 42413698721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12789631423) 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, 5257679 + ... + 5260110.

Almost surely, 2^12789631424 is an apocalyptic number.

It is an amenable number.

12789631424 is an abundant number, since it is smaller than the sum of its proper divisors (13925555176).

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

12789631424 is a wasteful number, since it uses less digits than its factorization.

12789631424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517820 (or 10517810 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The spelling of 12789631424 in words is "twelve billion, seven hundred eighty-nine million, six hundred thirty-one thousand, four hundred twenty-four".