12042718 has 4 divisors (see below), whose sum is σ = 18064080. Its totient is φ = 6021358.

The previous prime is 12042707. The next prime is 12042721. The reversal of 12042718 is 81724021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12042692 and 12042701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010678 + ... + 3010681.

It is an arithmetic number, because the mean of its divisors is an integer number (4516020).

Almost surely, 2^12042718 is an apocalyptic number.

12042718 is a deficient number, since it is larger than the sum of its proper divisors (6021362).

12042718 is an equidigital number, since it uses as much as digits as its factorization.

12042718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021361.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12042718 is about 3470.2619497669. The cubic root of 12042718 is about 229.2141929125.

Adding to 12042718 its reverse (81724021), we get a palindrome (93766739).

The spelling of 12042718 in words is "twelve million, forty-two thousand, seven hundred eighteen".