12425442 has 8 divisors (see below), whose sum is σ = 24850896. Its totient is φ = 4141812.

The previous prime is 12425423. The next prime is 12425443. The reversal of 12425442 is 24452421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12425442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12425443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035448 + ... + 1035459.

It is an arithmetic number, because the mean of its divisors is an integer number (3106362).

Almost surely, 2^12425442 is an apocalyptic number.

12425442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12425442 is a wasteful number, since it uses less digits than its factorization.

12425442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070912.

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

The square root of 12425442 is about 3524.9740424576. The cubic root of 12425442 is about 231.6170977799.

Adding to 12425442 its reverse (24452421), we get a palindrome (36877863).

The spelling of 12425442 in words is "twelve million, four hundred twenty-five thousand, four hundred forty-two".