12018794 has 4 divisors (see below), whose sum is σ = 18028194. Its totient is φ = 6009396.

The previous prime is 12018749. The next prime is 12018817. The reversal of 12018794 is 49781021.

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

It can be written as a sum of positive squares in only one way, i.e., 8196769 + 3822025 = 2863^2 + 1955^2 .

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 12018794.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3004697 + ... + 3004700.

Almost surely, 2^12018794 is an apocalyptic number.

12018794 is a deficient number, since it is larger than the sum of its proper divisors (6009400).

12018794 is an equidigital number, since it uses as much as digits as its factorization.

12018794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009399.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12018794 is about 3466.8132340811. The cubic root of 12018794 is about 229.0623070543.

The spelling of 12018794 in words is "twelve million, eighteen thousand, seven hundred ninety-four".