12117873 has 8 divisors (see below), whose sum is σ = 16533088. Its totient is φ = 7890624.

The previous prime is 12117863. The next prime is 12117883. The reversal of 12117873 is 37871121.

It is an interprime number because it is at equal distance from previous prime (12117863) and next prime (12117883).

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

It is not a de Polignac number, because 12117873 - 2⁵ = 12117841 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 12117873.

It is not an unprimeable number, because it can be changed into a prime (12117823) 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, 46840 + ... + 47097.

It is an arithmetic number, because the mean of its divisors is an integer number (2066636).

Almost surely, 2^12117873 is an apocalyptic number.

It is an amenable number.

12117873 is a deficient number, since it is larger than the sum of its proper divisors (4415215).

12117873 is an equidigital number, since it uses as much as digits as its factorization.

12117873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93983.

The product of its digits is 2352, while the sum is 30.

The square root of 12117873 is about 3481.0735413088. The cubic root of 12117873 is about 229.6900235088.

Adding to 12117873 its reverse (37871121), we get a palindrome (49988994).

The spelling of 12117873 in words is "twelve million, one hundred seventeen thousand, eight hundred seventy-three".