12027538 has 8 divisors (see below), whose sum is σ = 18120780. Its totient is φ = 5987280.

The previous prime is 12027529. The next prime is 12027539. The reversal of 12027538 is 83572021.

12027538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11923209 + 104329 = 3453^2 + 323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12027539) 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, 12673 + ... + 13588.

Almost surely, 2^12027538 is an apocalyptic number.

12027538 is a deficient number, since it is larger than the sum of its proper divisors (6093242).

12027538 is a wasteful number, since it uses less digits than its factorization.

12027538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26492.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12027538 is about 3468.0741053213. The cubic root of 12027538 is about 229.1178432776.

Adding to 12027538 its reverse (83572021), we get a palindrome (95599559).

The spelling of 12027538 in words is "twelve million, twenty-seven thousand, five hundred thirty-eight".