12424542 has 24 divisors (see below), whose sum is σ = 26909784. Its totient is φ = 3822624.

The previous prime is 12424523. The next prime is 12424543. The reversal of 12424542 is 24542421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5113 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (1121241).

Almost surely, 2^12424542 is an apocalyptic number.

12424542 is an abundant number, since it is smaller than the sum of its proper divisors (14485242).

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

12424542 is a wasteful number, since it uses less digits than its factorization.

12424542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284 (or 12271 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 12424542 is about 3524.8463796313. The cubic root of 12424542 is about 231.6115054793.

Adding to 12424542 its reverse (24542421), we get a palindrome (36966963).

The spelling of 12424542 in words is "twelve million, four hundred twenty-four thousand, five hundred forty-two".