12030522 has 32 divisors (see below), whose sum is σ = 27791232. Its totient is φ = 3400704.

The previous prime is 12030521. The next prime is 12030533. The reversal of 12030522 is 22503021.

It is not an unprimeable number, because it can be changed into a prime (12030521) 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 15 ways as a sum of consecutive naturals, for example, 2598 + ... + 5550.

It is an arithmetic number, because the mean of its divisors is an integer number (868476).

Almost surely, 2^12030522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12030522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13895616).

12030522 is an abundant number, since it is smaller than the sum of its proper divisors (15760710).

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

12030522 is a wasteful number, since it uses less digits than its factorization.

12030522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12030522 is about 3468.5042885947. The cubic root of 12030522 is about 229.1367895522.

Adding to 12030522 its reverse (22503021), we get a palindrome (34533543).

It can be divided in two parts, 1203052 and 2, that multiplied together give a cube (2406104 = 134³).

The spelling of 12030522 in words is "twelve million, thirty thousand, five hundred twenty-two".