12042758 has 16 divisors (see below), whose sum is σ = 22233120. Its totient is φ = 4764096.

The previous prime is 12042739. The next prime is 12042761. The reversal of 12042758 is 85724021.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12042758.

It is a congruent number.

It is an unprimeable number.

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, 32903 + ... + 33266.

It is an arithmetic number, because the mean of its divisors is an integer number (1389570).

Almost surely, 2^12042758 is an apocalyptic number.

12042758 is a deficient number, since it is larger than the sum of its proper divisors (10190362).

12042758 is a wasteful number, since it uses less digits than its factorization.

12042758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66191.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 12042758 is about 3470.2677130158. The cubic root of 12042758 is about 229.2144466912.

Adding to 12042758 its reverse (85724021), we get a palindrome (97766779).

The spelling of 12042758 in words is "twelve million, forty-two thousand, seven hundred fifty-eight".