12838111 has 16 divisors (see below), whose sum is σ = 15972768. Its totient is φ = 10137600.

The previous prime is 12838109. The next prime is 12838127. The reversal of 12838111 is 11183821.

12838111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12838111 - 2¹ = 12838109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (998298).

Almost surely, 2^12838111 is an apocalyptic number.

12838111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12838111 is a deficient number, since it is larger than the sum of its proper divisors (3134657).

12838111 is a wasteful number, since it uses less digits than its factorization.

12838111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322.

The product of its digits is 384, while the sum is 25.

The square root of 12838111 is about 3583.0309794921. The cubic root of 12838111 is about 234.1533499405.

The spelling of 12838111 in words is "twelve million, eight hundred thirty-eight thousand, one hundred eleven".