12544839 has 6 divisors (see below), whose sum is σ = 18120336. Its totient is φ = 8363220.

The previous prime is 12544799. The next prime is 12544843. The reversal of 12544839 is 93844521.

12544839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12544839 - 2¹¹ = 12542791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 696927 + ... + 696944.

It is an arithmetic number, because the mean of its divisors is an integer number (3020056).

Almost surely, 2^12544839 is an apocalyptic number.

12544839 is a deficient number, since it is larger than the sum of its proper divisors (5575497).

12544839 is a wasteful number, since it uses less digits than its factorization.

12544839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393877 (or 1393874 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12544839 is about 3541.8694216473. The cubic root of 12544839 is about 232.3566094686.

The spelling of 12544839 in words is "twelve million, five hundred forty-four thousand, eight hundred thirty-nine".