12027522 has 32 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 3680640.

The previous prime is 12027511. The next prime is 12027523. The reversal of 12027522 is 22572021.

It is a happy number.

It is a super-2 number, since 2×12027522² = 289322570920968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12027523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20854 + ... + 21422.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 2^12027522 is an apocalyptic number.

12027522 is an abundant number, since it is smaller than the sum of its proper divisors (14019198).

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

12027522 is a wasteful number, since it uses less digits than its factorization.

12027522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 12027522 is about 3468.0717985647. The cubic root of 12027522 is about 229.1177416806.

Adding to 12027522 its reverse (22572021), we get a palindrome (34599543).

The spelling of 12027522 in words is "twelve million, twenty-seven thousand, five hundred twenty-two".