12479984 has 40 divisors (see below), whose sum is σ = 27533952. Its totient is φ = 5424320.

The previous prime is 12479981. The next prime is 12479993. The reversal of 12479984 is 48997421.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479981) 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, 2507 + ... + 5589.

Almost surely, 2^12479984 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 12479984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13766976).

12479984 is an abundant number, since it is smaller than the sum of its proper divisors (15053968).

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

12479984 is a wasteful number, since it uses less digits than its factorization.

12479984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3119 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 12479984 is about 3532.7020819763. The cubic root of 12479984 is about 231.9555007796.

It can be divided in two parts, 124 and 79984, that added together give a palindrome (80108).

The spelling of 12479984 in words is "twelve million, four hundred seventy-nine thousand, nine hundred eighty-four".