12442412 has 12 divisors (see below), whose sum is σ = 22073016. Its totient is φ = 6135840.

The previous prime is 12442411. The next prime is 12442427. The reversal of 12442412 is 21424421.

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

It is not an unprimeable number, because it can be changed into a prime (12442411) 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, 21014 + ... + 21597.

It is an arithmetic number, because the mean of its divisors is an integer number (1839418).

Almost surely, 2^12442412 is an apocalyptic number.

It is an amenable number.

12442412 is a deficient number, since it is larger than the sum of its proper divisors (9630604).

12442412 is a wasteful number, since it uses less digits than its factorization.

12442412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42688 (or 42686 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 12442412 is about 3527.3803310672. The cubic root of 12442412 is about 231.7224932025.

Adding to 12442412 its reverse (21424421), we get a palindrome (33866833).

Subtracting 12442412 from its reverse (21424421), we obtain a square (8982009 = 2997²).

The spelling of 12442412 in words is "twelve million, four hundred forty-two thousand, four hundred twelve".