12838948746 has 32 divisors (see below), whose sum is σ = 27755965440. Its totient is φ = 3935753664.

The previous prime is 12838948723. The next prime is 12838948753. The reversal of 12838948746 is 64784983821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12838948746.

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 15 ways as a sum of consecutive naturals, for example, 284970 + ... + 326933.

It is an arithmetic number, because the mean of its divisors is an integer number (867373920).

Almost surely, 2^12838948746 is an apocalyptic number.

12838948746 is an abundant number, since it is smaller than the sum of its proper divisors (14917016694).

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

12838948746 is a wasteful number, since it uses less digits than its factorization.

12838948746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612190.

The product of its digits is 18579456, while the sum is 60.

The spelling of 12838948746 in words is "twelve billion, eight hundred thirty-eight million, nine hundred forty-eight thousand, seven hundred forty-six".