12328839 has 6 divisors (see below), whose sum is σ = 17808336. Its totient is φ = 8219220.

The previous prime is 12328829. The next prime is 12328843. The reversal of 12328839 is 93882321.

It is a happy number.

It is not a de Polignac number, because 12328839 - 2⁸ = 12328583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328829) 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, 684927 + ... + 684944.

It is an arithmetic number, because the mean of its divisors is an integer number (2968056).

Almost surely, 2^12328839 is an apocalyptic number.

12328839 is a deficient number, since it is larger than the sum of its proper divisors (5479497).

12328839 is a wasteful number, since it uses less digits than its factorization.

12328839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369877 (or 1369874 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 12328839 is about 3511.2446511173. The cubic root of 12328839 is about 231.0152910550.

The spelling of 12328839 in words is "twelve million, three hundred twenty-eight thousand, eight hundred thirty-nine".