12839911 has 12 divisors (see below), whose sum is σ = 15586992. Its totient is φ = 10526208.

The previous prime is 12839909. The next prime is 12839927. The reversal of 12839911 is 11993821.

It is not a de Polignac number, because 12839911 - 2¹ = 12839909 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 (12839971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4570 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (1298916).

Almost surely, 2^12839911 is an apocalyptic number.

12839911 is a deficient number, since it is larger than the sum of its proper divisors (2747081).

12839911 is a wasteful number, since it uses less digits than its factorization.

12839911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11430 (or 11423 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 12839911 is about 3583.2821546733. The cubic root of 12839911 is about 234.1642927843.

The spelling of 12839911 in words is "twelve million, eight hundred thirty-nine thousand, nine hundred eleven".