12442424 has 16 divisors (see below), whose sum is σ = 23374320. Its totient is φ = 6209280.

The previous prime is 12442411. The next prime is 12442427. The reversal of 12442424 is 42424421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12442424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (1460895).

Almost surely, 2^12442424 is an apocalyptic number.

It is an amenable number.

12442424 is a deficient number, since it is larger than the sum of its proper divisors (10931896).

12442424 is a wasteful number, since it uses less digits than its factorization.

12442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2986 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 12442424 is about 3527.3820320459. The cubic root of 12442424 is about 231.7225676969.

Adding to 12442424 its reverse (42424421), we get a palindrome (54866845).

The spelling of 12442424 in words is "twelve million, four hundred forty-two thousand, four hundred twenty-four".