12144441 has 8 divisors (see below), whose sum is σ = 16211104. Its totient is φ = 8087040.

The previous prime is 12144413. The next prime is 12144463. The reversal of 12144441 is 14444121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12144441 - 2⁷ = 12144313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (2026388).

Almost surely, 2^12144441 is an apocalyptic number.

It is an amenable number.

12144441 is a deficient number, since it is larger than the sum of its proper divisors (4066663).

12144441 is a wasteful number, since it uses less digits than its factorization.

12144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its digits is 512, while the sum is 21.

The square root of 12144441 is about 3484.8875161187. The cubic root of 12144441 is about 229.8577633479.

Adding to 12144441 its reverse (14444121), we get a palindrome (26588562).

It can be divided in two parts, 12 and 144441, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 12144441 in words is "twelve million, one hundred forty-four thousand, four hundred forty-one".