12090553 has 4 divisors (see below), whose sum is σ = 12801780. Its totient is φ = 11379328.

The previous prime is 12090541. The next prime is 12090557. The reversal of 12090553 is 35509021.

12090553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9504889 + 2585664 = 3083^2 + 1608^2 .

It is a cyclic number.

It is not a de Polignac number, because 12090553 - 2¹³ = 12082361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12090557) 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, 355588 + ... + 355621.

It is an arithmetic number, because the mean of its divisors is an integer number (3200445).

Almost surely, 2^12090553 is an apocalyptic number.

It is an amenable number.

12090553 is a deficient number, since it is larger than the sum of its proper divisors (711227).

12090553 is an equidigital number, since it uses as much as digits as its factorization.

12090553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711226.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 12090553 is about 3477.1472502613. The cubic root of 12090553 is about 229.5172799598.

Adding to 12090553 its reverse (35509021), we get a palindrome (47599574).

The spelling of 12090553 in words is "twelve million, ninety thousand, five hundred fifty-three".