12144004 has 6 divisors (see below), whose sum is σ = 21252014. Its totient is φ = 6072000.

The previous prime is 12143993. The next prime is 12144007. The reversal of 12144004 is 40044121.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 3617604 = 2920^2 + 1902^2 .

It is not an unprimeable number, because it can be changed into a prime (12144007) 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, 1517997 + ... + 1518004.

Almost surely, 2^12144004 is an apocalyptic number.

It is an amenable number.

12144004 is a deficient number, since it is larger than the sum of its proper divisors (9108010).

12144004 is a wasteful number, since it uses less digits than its factorization.

12144004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036005 (or 3036003 counting only the distinct ones).

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

The square root of 12144004 is about 3484.8248162569. The cubic root of 12144004 is about 229.8550062826.

Adding to 12144004 its reverse (40044121), we get a palindrome (52188125).

It can be divided in two parts, 1214400 and 4, that added together give a square (1214404 = 1102²).

The spelling of 12144004 in words is "twelve million, one hundred forty-four thousand, four".