12090936 has 96 divisors (see below), whose sum is σ = 35838720. Its totient is φ = 3369600.

The previous prime is 12090931. The next prime is 12090937. The reversal of 12090936 is 63909021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12090931) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 44481 + ... + 44751.

It is an arithmetic number, because the mean of its divisors is an integer number (373320).

Almost surely, 2^12090936 is an apocalyptic number.

12090936 is the 1859-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12090936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17919360).

12090936 is an abundant number, since it is smaller than the sum of its proper divisors (23747784).

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

12090936 is a wasteful number, since it uses less digits than its factorization.

12090936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 12090936 is about 3477.2023237080. The cubic root of 12090936 is about 229.5197034550.

Adding to 12090936 its reverse (63909021), we get a palindrome (75999957).

The spelling of 12090936 in words is "twelve million, ninety thousand, nine hundred thirty-six".