12627732838 has 16 divisors (see below), whose sum is σ = 22920927264. Its totient is φ = 5093539200.

The previous prime is 12627732829. The next prime is 12627732841. The reversal of 12627732838 is 83823772621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12627732791 and 12627732800.

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 7 ways as a sum of consecutive naturals, for example, 26528613 + ... + 26529088.

It is an arithmetic number, because the mean of its divisors is an integer number (1432557954).

Almost surely, 2^12627732838 is an apocalyptic number.

12627732838 is a deficient number, since it is larger than the sum of its proper divisors (10293194426).

12627732838 is a wasteful number, since it uses less digits than its factorization.

12627732838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53057727.

The product of its digits is 1354752, while the sum is 49.

The spelling of 12627732838 in words is "twelve billion, six hundred twenty-seven million, seven hundred thirty-two thousand, eight hundred thirty-eight".