12099584 has 56 divisors (see below), whose sum is σ = 27785568. Its totient is φ = 5160960.

The previous prime is 12099569. The next prime is 12099589. The reversal of 12099584 is 48599021.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (12099589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57239 + ... + 57449.

Almost surely, 2^12099584 is an apocalyptic number.

12099584 is a gapful number since it is divisible by the number (14) 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 12099584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13892784).

12099584 is an abundant number, since it is smaller than the sum of its proper divisors (15685984).

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

12099584 is an frugal number, since it uses more digits than its factorization.

12099584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 12099584 is about 3478.4456298755. The cubic root of 12099584 is about 229.5744114708.

The spelling of 12099584 in words is "twelve million, ninety-nine thousand, five hundred eighty-four".