12065742 has 24 divisors (see below), whose sum is σ = 28153944. Its totient is φ = 3712464.

The previous prime is 12065723. The next prime is 12065743. The reversal of 12065742 is 24756021.

12065742 is a `hidden beast` number, since 1 + 2 + 0 + 657 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065743) 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 11 ways as a sum of consecutive naturals, for example, 25548 + ... + 26015.

It is an arithmetic number, because the mean of its divisors is an integer number (1173081).

Almost surely, 2^12065742 is an apocalyptic number.

12065742 is an abundant number, since it is smaller than the sum of its proper divisors (16088202).

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

12065742 is a wasteful number, since it uses less digits than its factorization.

12065742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51584 (or 51581 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12065742 is about 3473.5776945392. The cubic root of 12065742 is about 229.3601751265.

The spelling of 12065742 in words is "twelve million, sixty-five thousand, seven hundred forty-two".