12224016 has 120 divisors (see below), whose sum is σ = 39900224. Its totient is φ = 3421440.

The previous prime is 12223987. The next prime is 12224021. The reversal of 12224016 is 61042221.

12224016 = 95³ + 96³ + ... + 106³.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12224016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67446 + ... + 67626.

Almost surely, 2^12224016 is an apocalyptic number.

12224016 is a gapful number since it is divisible by the number (16) 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 12224016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19950112).

12224016 is an abundant number, since it is smaller than the sum of its proper divisors (27676208).

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

12224016 is a wasteful number, since it uses less digits than its factorization.

12224016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12224016 is about 3496.2860294890. The cubic root of 12224016 is about 230.3587093252.

Adding to 12224016 its reverse (61042221), we get a palindrome (73266237).

The spelling of 12224016 in words is "twelve million, two hundred twenty-four thousand, sixteen".