12838115 has 4 divisors (see below), whose sum is σ = 15405744. Its totient is φ = 10270488.

The previous prime is 12838109. The next prime is 12838127. The reversal of 12838115 is 51183821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12838115 - 2⁶ = 12838051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1283807 + ... + 1283816.

It is an arithmetic number, because the mean of its divisors is an integer number (3851436).

Almost surely, 2^12838115 is an apocalyptic number.

12838115 is a deficient number, since it is larger than the sum of its proper divisors (2567629).

12838115 is an equidigital number, since it uses as much as digits as its factorization.

12838115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567628.

The product of its digits is 1920, while the sum is 29.

The square root of 12838115 is about 3583.0315376787. The cubic root of 12838115 is about 234.1533742590.

The spelling of 12838115 in words is "twelve million, eight hundred thirty-eight thousand, one hundred fifteen".