12439322 has 16 divisors (see below), whose sum is σ = 21370560. Its totient is φ = 5319648.

The previous prime is 12439321. The next prime is 12439331. The reversal of 12439322 is 22393421.

It is a junction number, because it is equal to n+sod(n) for n = 12439291 and 12439300.

It is not an unprimeable number, because it can be changed into a prime (12439321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454 + ... + 11582.

It is an arithmetic number, because the mean of its divisors is an integer number (1335660).

Almost surely, 2^12439322 is an apocalyptic number.

12439322 is a deficient number, since it is larger than the sum of its proper divisors (8931238).

12439322 is a wasteful number, since it uses less digits than its factorization.

12439322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its digits is 2592, while the sum is 26.

The square root of 12439322 is about 3526.9423017679. The cubic root of 12439322 is about 231.7033093073.

The spelling of 12439322 in words is "twelve million, four hundred thirty-nine thousand, three hundred twenty-two".