12444012 has 144 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 3193344.

The previous prime is 12444011. The next prime is 12444023. The reversal of 12444012 is 21044421.

It is a super-2 number, since 2×12444012² = 309706869312288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (12444011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110068 + ... + 110180.

It is an arithmetic number, because the mean of its divisors is an integer number (276640).

Almost surely, 2^12444012 is an apocalyptic number.

12444012 is a gapful number since it is divisible by the number (12) 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 12444012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19918080).

12444012 is an abundant number, since it is smaller than the sum of its proper divisors (27392148).

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

12444012 is a wasteful number, since it uses less digits than its factorization.

12444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12444012 is about 3527.6071209816. The cubic root of 12444012 is about 231.7324253630.

Adding to 12444012 its reverse (21044421), we get a palindrome (33488433).

The spelling of 12444012 in words is "twelve million, four hundred forty-four thousand, twelve".