12305042 has 24 divisors (see below), whose sum is σ = 19985700. Its totient is φ = 5679360.

The previous prime is 12305039. The next prime is 12305057. The reversal of 12305042 is 24050321.

12305042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 7557001 + 4748041 = 2749^2 + 2179^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12305042.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35084 + ... + 35432.

Almost surely, 2^12305042 is an apocalyptic number.

12305042 is a deficient number, since it is larger than the sum of its proper divisors (7680658).

12305042 is a wasteful number, since it uses less digits than its factorization.

12305042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12305042 is about 3507.8543299288. The cubic root of 12305042 is about 230.8665608642.

Adding to 12305042 its reverse (24050321), we get a palindrome (36355363).

The spelling of 12305042 in words is "twelve million, three hundred five thousand, forty-two".