12441424 has 10 divisors (see below), whose sum is σ = 24105290. Its totient is φ = 6220704.

The previous prime is 12441421. The next prime is 12441439. The reversal of 12441424 is 42414421.

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 6091024 = 2520^2 + 2468^2 .

It is a super-2 number, since 2×12441424² = 309578062295552, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12441395 and 12441404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388779 + ... + 388810.

It is an arithmetic number, because the mean of its divisors is an integer number (2410529).

Almost surely, 2^12441424 is an apocalyptic number.

It is an amenable number.

12441424 is a deficient number, since it is larger than the sum of its proper divisors (11663866).

12441424 is an equidigital number, since it uses as much as digits as its factorization.

12441424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777597 (or 777591 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 12441424 is about 3527.2402810129. The cubic root of 12441424 is about 231.7163596682.

Adding to 12441424 its reverse (42414421), we get a palindrome (54855845).

The spelling of 12441424 in words is "twelve million, four hundred forty-one thousand, four hundred twenty-four".