12841439 has 4 divisors (see below), whose sum is σ = 13829256. Its totient is φ = 11853624.

The previous prime is 12841417. The next prime is 12841447. The reversal of 12841439 is 93414821.

It is a happy number.

12841439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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-12841439 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 (12841459) 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, 493889 + ... + 493914.

It is an arithmetic number, because the mean of its divisors is an integer number (3457314).

Almost surely, 2^12841439 is an apocalyptic number.

12841439 is a deficient number, since it is larger than the sum of its proper divisors (987817).

12841439 is an equidigital number, since it uses as much as digits as its factorization.

12841439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987816.

The product of its digits is 6912, while the sum is 32.

The square root of 12841439 is about 3583.4953606779. The cubic root of 12841439 is about 234.1735812404.

The spelling of 12841439 in words is "twelve million, eight hundred forty-one thousand, four hundred thirty-nine".