12439752 has 48 divisors (see below), whose sum is σ = 33686640. Its totient is φ = 3826368.

The previous prime is 12439751. The next prime is 12439783. The reversal of 12439752 is 25793421.

12439752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (12439751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2523 + ... + 5589.

It is an arithmetic number, because the mean of its divisors is an integer number (701805).

Almost surely, 2^12439752 is an apocalyptic number.

12439752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12439752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16843320).

12439752 is an abundant number, since it is smaller than the sum of its proper divisors (21246888).

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

12439752 is a wasteful number, since it uses less digits than its factorization.

12439752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102 (or 3085 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 12439752 is about 3527.0032605599. The cubic root of 12439752 is about 231.7059791011.

The spelling of 12439752 in words is "twelve million, four hundred thirty-nine thousand, seven hundred fifty-two".