12016424 has 32 divisors (see below), whose sum is σ = 26049600. Its totient is φ = 5089920.

The previous prime is 12016423. The next prime is 12016427. The reversal of 12016424 is 42461021.

It is a junction number, because it is equal to n+sod(n) for n = 12016396 and 12016405.

It is not an unprimeable number, because it can be changed into a prime (12016423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3779 + ... + 6189.

It is an arithmetic number, because the mean of its divisors is an integer number (814050).

Almost surely, 2^12016424 is an apocalyptic number.

12016424 is a gapful number since it is divisible by the number (14) 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 12016424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13024800).

12016424 is an abundant number, since it is smaller than the sum of its proper divisors (14033176).

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

12016424 is a wasteful number, since it uses less digits than its factorization.

12016424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12016424 is about 3466.4714047573. The cubic root of 12016424 is about 229.0472497101.

Adding to 12016424 its reverse (42461021), we get a palindrome (54477445).

The spelling of 12016424 in words is "twelve million, sixteen thousand, four hundred twenty-four".