12002444 has 6 divisors (see below), whose sum is σ = 21004284. Its totient is φ = 6001220.

The previous prime is 12002443. The next prime is 12002449. The reversal of 12002444 is 44420021.

It is not an unprimeable number, because it can be changed into a prime (12002443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500302 + ... + 1500309.

It is an arithmetic number, because the mean of its divisors is an integer number (3500714).

Almost surely, 2^12002444 is an apocalyptic number.

It is an amenable number.

12002444 is a deficient number, since it is larger than the sum of its proper divisors (9001840).

12002444 is a wasteful number, since it uses less digits than its factorization.

12002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000615 (or 3000613 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 12002444 is about 3464.4543581926. The cubic root of 12002444 is about 228.9583901312.

Adding to 12002444 its reverse (44420021), we get a palindrome (56422465).

The spelling of 12002444 in words is "twelve million, two thousand, four hundred forty-four".