12347984 has 40 divisors (see below), whose sum is σ = 27641088. Its totient is φ = 5281280.

The previous prime is 12347977. The next prime is 12347999. The reversal of 12347984 is 48974321.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 929 + ... + 5055.

Almost surely, 2^12347984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12347984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13820544).

12347984 is an abundant number, since it is smaller than the sum of its proper divisors (15293104).

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

12347984 is a wasteful number, since it uses less digits than its factorization.

12347984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163 (or 4157 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 12347984 is about 3513.9698348165. The cubic root of 12347984 is about 231.1348075911.

It can be divided in two parts, 12347 and 984, that added together give a palindrome (13331).

The spelling of 12347984 in words is "twelve million, three hundred forty-seven thousand, nine hundred eighty-four".