12116005 has 8 divisors (see below), whose sum is σ = 15861024. Its totient is φ = 8811600.

The previous prime is 12115969. The next prime is 12116011. The reversal of 12116005 is 50061121.

It is a happy number.

12116005 is digitally balanced in base 3, 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 not a de Polignac number, because 12116005 - 2¹¹ = 12113957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12116005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110091 + ... + 110200.

It is an arithmetic number, because the mean of its divisors is an integer number (1982628).

Almost surely, 2^12116005 is an apocalyptic number.

It is an amenable number.

12116005 is a deficient number, since it is larger than the sum of its proper divisors (3745019).

12116005 is a wasteful number, since it uses less digits than its factorization.

12116005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220307.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 12116005 is about 3480.8052229333. The cubic root of 12116005 is about 229.6782204744.

Adding to 12116005 its reverse (50061121), we get a palindrome (62177126).

Subtracting 12116005 from its reverse (50061121), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 12116005 in words is "twelve million, one hundred sixteen thousand, five".