12544004 has 12 divisors (see below), whose sum is σ = 23947728. Its totient is φ = 5701800.

The previous prime is 12544001. The next prime is 12544019. The reversal of 12544004 is 40044521.

It is not an unprimeable number, because it can be changed into a prime (12544001) 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 in 3 ways as a sum of consecutive naturals, for example, 142502 + ... + 142589.

It is an arithmetic number, because the mean of its divisors is an integer number (1995644).

Almost surely, 2^12544004 is an apocalyptic number.

It is an amenable number.

12544004 is a deficient number, since it is larger than the sum of its proper divisors (11403724).

12544004 is a wasteful number, since it uses less digits than its factorization.

12544004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285106 (or 285104 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12544004 is about 3541.7515440810. The cubic root of 12544004 is about 232.3514540398.

Adding to 12544004 its reverse (40044521), we get a palindrome (52588525).

It can be divided in two parts, 1254400 and 4, that multiplied together give a square (5017600 = 2240²).

The spelling of 12544004 in words is "twelve million, five hundred forty-four thousand, four".