12339432 has 64 divisors (see below), whose sum is σ = 39177600. Its totient is φ = 3525120.

The previous prime is 12339419. The next prime is 12339449. The reversal of 12339432 is 23493321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12339396 and 12339405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2569 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (612150).

Almost surely, 2^12339432 is an apocalyptic number.

12339432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12339432 is an abundant number, since it is smaller than the sum of its proper divisors (26838168).

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

12339432 is a wasteful number, since it uses less digits than its factorization.

12339432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183 (or 8173 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 12339432 is about 3512.7527667059. The cubic root of 12339432 is about 231.0814352785.

The spelling of 12339432 in words is "twelve million, three hundred thirty-nine thousand, four hundred thirty-two".