12216096 has 72 divisors (see below), whose sum is σ = 36049104. Its totient is φ = 4069440.

The previous prime is 12216089. The next prime is 12216101. The reversal of 12216096 is 69061221.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6991 + ... + 8561.

It is an arithmetic number, because the mean of its divisors is an integer number (500682).

Almost surely, 2^12216096 is an apocalyptic number.

12216096 is a gapful number since it is divisible by the number (16) 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 12216096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18024552).

12216096 is an abundant number, since it is smaller than the sum of its proper divisors (23833008).

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

12216096 is an equidigital number, since it uses as much as digits as its factorization.

12216096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12216096 is about 3495.1532155258. The cubic root of 12216096 is about 230.3089483971.

The spelling of 12216096 in words is "twelve million, two hundred sixteen thousand, ninety-six".