12089532 has 48 divisors (see below), whose sum is σ = 34721792. Its totient is φ = 3188160.

The previous prime is 12089527. The next prime is 12089551. The reversal of 12089532 is 23598021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12089532.

It is a congruent number.

It is an unprimeable number.

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, 4444 + ... + 6627.

Almost surely, 2^12089532 is an apocalyptic number.

12089532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12089532 is an abundant number, since it is smaller than the sum of its proper divisors (22632260).

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

12089532 is a wasteful number, since it uses less digits than its factorization.

12089532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11098 (or 11096 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 12089532 is about 3477.0004314064. Note that the first 3 decimals coincide. The cubic root of 12089532 is about 229.5108191652.

It can be divided in two parts, 12089 and 532, that added together give a palindrome (12621).

The spelling of 12089532 in words is "twelve million, eighty-nine thousand, five hundred thirty-two".