12424242 has 16 divisors (see below), whose sum is σ = 25650432. Its totient is φ = 4007760.

The previous prime is 12424241. The next prime is 12424319. The reversal of 12424242 is 24242421.

12424242 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12424241) 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, 33213 + ... + 33584.

It is an arithmetic number, because the mean of its divisors is an integer number (1603152).

Almost surely, 2^12424242 is an apocalyptic number.

12424242 is an abundant number, since it is smaller than the sum of its proper divisors (13226190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12424242 is a wasteful number, since it uses less digits than its factorization.

12424242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66833.

The product of its digits is 1024, while the sum is 21.

The square root of 12424242 is about 3524.8038243284. The cubic root of 12424242 is about 231.6096413191.

Adding to 12424242 its reverse (24242421), we get a palindrome (36666663).

The spelling of 12424242 in words is "twelve million, four hundred twenty-four thousand, two hundred forty-two".