12017132 has 12 divisors (see below), whose sum is σ = 21944496. Its totient is φ = 5747280.

The previous prime is 12017129. The next prime is 12017143. The reversal of 12017132 is 23171021.

It is a super-2 number, since 2×12017132² = 288822923010848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12017132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65219 + ... + 65402.

It is an arithmetic number, because the mean of its divisors is an integer number (1828708).

Almost surely, 2^12017132 is an apocalyptic number.

It is an amenable number.

12017132 is a deficient number, since it is larger than the sum of its proper divisors (9927364).

12017132 is a wasteful number, since it uses less digits than its factorization.

12017132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130648 (or 130646 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12017132 is about 3466.5735243898. The cubic root of 12017132 is about 229.0517480608.

Adding to 12017132 its reverse (23171021), we get a palindrome (35188153).

The spelling of 12017132 in words is "twelve million, seventeen thousand, one hundred thirty-two".