12444100 has 36 divisors (see below), whose sum is σ = 27279504. Its totient is φ = 4926880.

The previous prime is 12444097. The next prime is 12444137. The reversal of 12444100 is 144421.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10119 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (757764).

Almost surely, 2^12444100 is an apocalyptic number.

12444100 is a gapful number since it is divisible by the number (10) 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 12444100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13639752).

12444100 is an abundant number, since it is smaller than the sum of its proper divisors (14835404).

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

12444100 is a wasteful number, since it uses less digits than its factorization.

12444100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12444100 is about 3527.6195940039. The cubic root of 12444100 is about 231.7329716071.

Adding to 12444100 its reverse (144421), we get a palindrome (12588521).

It can be divided in two parts, 12444 and 100, that added together give a square (12544 = 112²).

The spelling of 12444100 in words is "twelve million, four hundred forty-four thousand, one hundred".