12144032 has 12 divisors (see below), whose sum is σ = 23908626. Its totient is φ = 6072000.

The previous prime is 12144031. The next prime is 12144043. The reversal of 12144032 is 23044121.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 5776 = 3484^2 + 76^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12144032.

It is not an unprimeable number, because it can be changed into a prime (12144031) 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, 189719 + ... + 189782.

Almost surely, 2^12144032 is an apocalyptic number.

It is an amenable number.

12144032 is a deficient number, since it is larger than the sum of its proper divisors (11764594).

12144032 is an equidigital number, since it uses as much as digits as its factorization.

12144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379511 (or 379503 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12144032 is about 3484.8288336732. The cubic root of 12144032 is about 229.8551829387.

Adding to 12144032 its reverse (23044121), we get a palindrome (35188153).

The spelling of 12144032 in words is "twelve million, one hundred forty-four thousand, thirty-two".