12838943 has 8 divisors (see below), whose sum is σ = 14121408. Its totient is φ = 11598624.

The previous prime is 12838937. The next prime is 12838951. The reversal of 12838943 is 34983821.

12838943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12838943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12838897 and 12838906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9896 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (1765176).

Almost surely, 2^12838943 is an apocalyptic number.

12838943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12838943 is a deficient number, since it is larger than the sum of its proper divisors (1282465).

12838943 is a wasteful number, since it uses less digits than its factorization.

12838943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21073.

The product of its digits is 41472, while the sum is 38.

The square root of 12838943 is about 3583.1470804308. The cubic root of 12838943 is about 234.1584080932.

The spelling of 12838943 in words is "twelve million, eight hundred thirty-eight thousand, nine hundred forty-three".