12179616 has 72 divisors (see below), whose sum is σ = 34040160. Its totient is φ = 3812352.

The previous prime is 12179603. The next prime is 12179617. The reversal of 12179616 is 61697121.

It is not an unprimeable number, because it can be changed into a prime (12179617) by changing a digit.

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, 27525 + ... + 27963.

It is an arithmetic number, because the mean of its divisors is an integer number (472780).

Almost surely, 2^12179616 is an apocalyptic number.

12179616 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 12179616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17020080).

12179616 is an abundant number, since it is smaller than the sum of its proper divisors (21860544).

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

12179616 is a wasteful number, since it uses less digits than its factorization.

12179616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 461 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 12179616 is about 3489.9306583369. The cubic root of 12179616 is about 230.0794684435.

The spelling of 12179616 in words is "twelve million, one hundred seventy-nine thousand, six hundred sixteen".