12439206 has 96 divisors (see below), whose sum is σ = 31842720. Its totient is φ = 3474432.

The previous prime is 12439199. The next prime is 12439211. The reversal of 12439206 is 60293421.

It is a self number, because there is not a number n which added to its sum of digits gives 12439206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210805 + ... + 210863.

It is an arithmetic number, because the mean of its divisors is an integer number (331695).

Almost surely, 2^12439206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12439206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15921360).

12439206 is an abundant number, since it is smaller than the sum of its proper divisors (19403514).

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

12439206 is a wasteful number, since it uses less digits than its factorization.

12439206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 12439206 is about 3526.9258568901. The cubic root of 12439206 is about 231.7025890733.

The spelling of 12439206 in words is "twelve million, four hundred thirty-nine thousand, two hundred six".