12832138 has 8 divisors (see below), whose sum is σ = 20998080. Its totient is φ = 5832780.

The previous prime is 12832111. The next prime is 12832147. The reversal of 12832138 is 83123821.

12832138 is digitally balanced in base 2, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291618 + ... + 291661.

It is an arithmetic number, because the mean of its divisors is an integer number (2624760).

Almost surely, 2^12832138 is an apocalyptic number.

12832138 is a deficient number, since it is larger than the sum of its proper divisors (8165942).

12832138 is a wasteful number, since it uses less digits than its factorization.

12832138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583292.

The product of its digits is 2304, while the sum is 28.

The square root of 12832138 is about 3582.1973703301. The cubic root of 12832138 is about 234.1170306066.

Adding to 12832138 its reverse (83123821), we get a palindrome (95955959).

The spelling of 12832138 in words is "twelve million, eight hundred thirty-two thousand, one hundred thirty-eight".