12018772 has 24 divisors (see below), whose sum is σ = 21611520. Its totient is φ = 5846400.

The previous prime is 12018749. The next prime is 12018817. The reversal of 12018772 is 27781021.

12018772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12018772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29772 + ... + 30172.

It is an arithmetic number, because the mean of its divisors is an integer number (900480).

Almost surely, 2^12018772 is an apocalyptic number.

It is an amenable number.

12018772 is a deficient number, since it is larger than the sum of its proper divisors (9592748).

12018772 is a wasteful number, since it uses less digits than its factorization.

12018772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 12018772 is about 3466.8100611369. The cubic root of 12018772 is about 229.0621672906.

Adding to 12018772 its reverse (27781021), we get a palindrome (39799793).

The spelling of 12018772 in words is "twelve million, eighteen thousand, seven hundred seventy-two".