12069216 has 96 divisors (see below), whose sum is σ = 35935200. Its totient is φ = 3939840.

The previous prime is 12069209. The next prime is 12069229. The reversal of 12069216 is 61296021.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12069216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52590 + ... + 52818.

It is an arithmetic number, because the mean of its divisors is an integer number (374325).

Almost surely, 2^12069216 is an apocalyptic number.

12069216 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 12069216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17967600).

12069216 is an abundant number, since it is smaller than the sum of its proper divisors (23865984).

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

12069216 is a wasteful number, since it uses less digits than its factorization.

12069216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 295 counting only the distinct ones).

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

The square root of 12069216 is about 3474.0777193379. The cubic root of 12069216 is about 229.3821856748.

The spelling of 12069216 in words is "twelve million, sixty-nine thousand, two hundred sixteen".