12446784324 has 120 divisors (see below), whose sum is σ = 35083505688. Its totient is φ = 3825169920.

The previous prime is 12446784313. The next prime is 12446784341. The reversal of 12446784324 is 42348764421.

12446784324 is a `hidden beast` number, since 1 + 244 + 6 + 7 + 84 + 324 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4085510724 + 8361273600 = 63918^2 + 91440^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12446784324.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5562934 + ... + 5565170.

Almost surely, 2^12446784324 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 12446784324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17541752844).

12446784324 is an abundant number, since it is smaller than the sum of its proper divisors (22636721364).

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

12446784324 is a wasteful number, since it uses less digits than its factorization.

12446784324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3576 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

It can be divided in two parts, 12446784 and 324, that multiplied together give a 4-th power (4032758016 = 252⁴).

The spelling of 12446784324 in words is "twelve billion, four hundred forty-six million, seven hundred eighty-four thousand, three hundred twenty-four".