12020732 has 24 divisors (see below), whose sum is σ = 21924000. Its totient is φ = 5759936.

The previous prime is 12020731. The next prime is 12020741. The reversal of 12020732 is 23702021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020731) 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 7 ways as a sum of consecutive naturals, for example, 19769 + ... + 20367.

It is an arithmetic number, because the mean of its divisors is an integer number (913500).

Almost surely, 2^12020732 is an apocalyptic number.

It is an amenable number.

12020732 is a deficient number, since it is larger than the sum of its proper divisors (9903268).

12020732 is a wasteful number, since it uses less digits than its factorization.

12020732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 12020732 is about 3467.0927302280. The cubic root of 12020732 is about 229.0746182977.

Adding to 12020732 its reverse (23702021), we get a palindrome (35722753).

The spelling of 12020732 in words is "twelve million, twenty thousand, seven hundred thirty-two".