12841109 has 4 divisors (see below), whose sum is σ = 13188204. Its totient is φ = 12494016.

The previous prime is 12841091. The next prime is 12841139. The reversal of 12841109 is 90114821.

12841109 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4558225 + 8282884 = 2135^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 12841109 - 2²⁰ = 11792533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12841139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173492 + ... + 173565.

It is an arithmetic number, because the mean of its divisors is an integer number (3297051).

Almost surely, 2^12841109 is an apocalyptic number.

It is an amenable number.

12841109 is a deficient number, since it is larger than the sum of its proper divisors (347095).

12841109 is an equidigital number, since it uses as much as digits as its factorization.

12841109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347094.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12841109 is about 3583.4493159524. The cubic root of 12841109 is about 234.1715752880.

The spelling of 12841109 in words is "twelve million, eight hundred forty-one thousand, one hundred nine".