12832891 has 4 divisors (see below), whose sum is σ = 12930984. Its totient is φ = 12734800.

The previous prime is 12832871. The next prime is 12832901. The reversal of 12832891 is 19823821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12832891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12832801) 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 3 ways as a sum of consecutive naturals, for example, 48850 + ... + 49111.

It is an arithmetic number, because the mean of its divisors is an integer number (3232746).

Almost surely, 2^12832891 is an apocalyptic number.

12832891 is a deficient number, since it is larger than the sum of its proper divisors (98093).

12832891 is an equidigital number, since it uses as much as digits as its factorization.

12832891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98092.

The product of its digits is 6912, while the sum is 34.

The square root of 12832891 is about 3582.3024718748. The cubic root of 12832891 is about 234.1216099079.

The spelling of 12832891 in words is "twelve million, eight hundred thirty-two thousand, eight hundred ninety-one".