12090544 has 20 divisors (see below), whose sum is σ = 23498496. Its totient is φ = 6026432.

The previous prime is 12090541. The next prime is 12090557. The reversal of 12090544 is 44509021.

12090544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12090541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5142 + ... + 7114.

Almost surely, 2^12090544 is an apocalyptic number.

It is an amenable number.

12090544 is a deficient number, since it is larger than the sum of its proper divisors (11407952).

12090544 is a wasteful number, since it uses less digits than its factorization.

12090544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12090544 is about 3477.1459560968. The cubic root of 12090544 is about 229.5172230102.

Adding to 12090544 its reverse (44509021), we get a palindrome (56599565).

The spelling of 12090544 in words is "twelve million, ninety thousand, five hundred forty-four".