12339438 has 8 divisors (see below), whose sum is σ = 24678888. Its totient is φ = 4113144.

The previous prime is 12339419. The next prime is 12339449. The reversal of 12339438 is 83493321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12339438 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12339399 and 12339408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028281 + ... + 1028292.

It is an arithmetic number, because the mean of its divisors is an integer number (3084861).

Almost surely, 2^12339438 is an apocalyptic number.

12339438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12339438 is a wasteful number, since it uses less digits than its factorization.

12339438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056578.

The product of its digits is 15552, while the sum is 33.

The square root of 12339438 is about 3512.7536207369. The cubic root of 12339438 is about 231.0814727326.

The spelling of 12339438 in words is "twelve million, three hundred thirty-nine thousand, four hundred thirty-eight".