12099648 has 112 divisors (see below), whose sum is σ = 37088064. Its totient is φ = 3440640.

The previous prime is 12099643. The next prime is 12099691. The reversal of 12099648 is 84699021.

It is not an unprimeable number, because it can be changed into a prime (12099643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35736 + ... + 36072.

Almost surely, 2^12099648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12099648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18544032).

12099648 is an abundant number, since it is smaller than the sum of its proper divisors (24988416).

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

12099648 is a wasteful number, since it uses less digits than its factorization.

12099648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 12099648 is about 3478.4548293747. The cubic root of 12099648 is about 229.5748162433.

The spelling of 12099648 in words is "twelve million, ninety-nine thousand, six hundred forty-eight".