12020718 has 32 divisors (see below), whose sum is σ = 24800256. Its totient is φ = 3882528.

The previous prime is 12020713. The next prime is 12020731. The reversal of 12020718 is 81702021.

It is a super-2 number, since 2×12020718² = 288995322471048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020694 and 12020703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32571 + ... + 32937.

It is an arithmetic number, because the mean of its divisors is an integer number (775008).

Almost surely, 2^12020718 is an apocalyptic number.

12020718 is an abundant number, since it is smaller than the sum of its proper divisors (12779538).

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

12020718 is a wasteful number, since it uses less digits than its factorization.

12020718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 12020718 is about 3467.0907112448. The cubic root of 12020718 is about 229.0745293667.

Adding to 12020718 its reverse (81702021), we get a palindrome (93722739).

The spelling of 12020718 in words is "twelve million, twenty thousand, seven hundred eighteen".