12089472 has 64 divisors (see below), whose sum is σ = 33823200. Its totient is φ = 3815424.

The previous prime is 12089447. The next prime is 12089479. The reversal of 12089472 is 27498021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (12089479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6468 + ... + 8124.

Almost surely, 2^12089472 is an apocalyptic number.

12089472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12089472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16911600).

12089472 is an abundant number, since it is smaller than the sum of its proper divisors (21733728).

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

12089472 is a wasteful number, since it uses less digits than its factorization.

12089472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12089472 is about 3476.9918032690. The cubic root of 12089472 is about 229.5104394794.

It can be divided in two parts, 12089 and 472, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12089472 in words is "twelve million, eighty-nine thousand, four hundred seventy-two".