12305442 has 16 divisors (see below), whose sum is σ = 24666912. Its totient is φ = 4092480.

The previous prime is 12305441. The next prime is 12305471. The reversal of 12305442 is 24450321.

It is not an unprimeable number, because it can be changed into a prime (12305441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (1541682).

Almost surely, 2^12305442 is an apocalyptic number.

12305442 is an abundant number, since it is smaller than the sum of its proper divisors (12361470).

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

12305442 is a wasteful number, since it uses less digits than its factorization.

12305442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12305442 is about 3507.9113443757. The cubic root of 12305442 is about 230.8690624301.

Adding to 12305442 its reverse (24450321), we get a palindrome (36755763).

The spelling of 12305442 in words is "twelve million, three hundred five thousand, four hundred forty-two".