12838105424 has 20 divisors (see below), whose sum is σ = 26336996244. Its totient is φ = 6041461248.

The previous prime is 12838105411. The next prime is 12838105453. The reversal of 12838105424 is 42450183821.

It can be written as a sum of positive squares in 2 ways, for example, as 4125749824 + 8712355600 = 64232^2 + 93340^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23599187 + ... + 23599730.

Almost surely, 2^12838105424 is an apocalyptic number.

It is an amenable number.

12838105424 is an abundant number, since it is smaller than the sum of its proper divisors (13498890820).

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

12838105424 is a wasteful number, since it uses less digits than its factorization.

12838105424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47198942 (or 47198936 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 12838105424 in words is "twelve billion, eight hundred thirty-eight million, one hundred five thousand, four hundred twenty-four".