12116645 has 8 divisors (see below), whose sum is σ = 14593056. Its totient is φ = 9657936.

The previous prime is 12116641. The next prime is 12116659. The reversal of 12116645 is 54661121.

12116645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12116645 - 2² = 12116641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867 + ... + 5696.

It is an arithmetic number, because the mean of its divisors is an integer number (1824132).

Almost surely, 2^12116645 is an apocalyptic number.

It is an amenable number.

12116645 is a deficient number, since it is larger than the sum of its proper divisors (2476411).

12116645 is an equidigital number, since it uses as much as digits as its factorization.

12116645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851.

The product of its digits is 1440, while the sum is 26.

The square root of 12116645 is about 3480.8971544704. The cubic root of 12116645 is about 229.6822644772.

Adding to 12116645 its reverse (54661121), we get a palindrome (66777766).

The spelling of 12116645 in words is "twelve million, one hundred sixteen thousand, six hundred forty-five".