12173117 has 8 divisors (see below), whose sum is σ = 13325472. Its totient is φ = 11028400.

The previous prime is 12173113. The next prime is 12173143. The reversal of 12173117 is 71137121.

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 12173117 - 2² = 12173113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12173092 and 12173101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 5232.

It is an arithmetic number, because the mean of its divisors is an integer number (1665684).

Almost surely, 2^12173117 is an apocalyptic number.

It is an amenable number.

12173117 is a deficient number, since it is larger than the sum of its proper divisors (1152355).

12173117 is a wasteful number, since it uses less digits than its factorization.

12173117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819.

The product of its digits is 294, while the sum is 23.

The square root of 12173117 is about 3488.9994267698. Note that the first 3 decimals coincide. The cubic root of 12173117 is about 230.0385379658.

It can be divided in two parts, 12173 and 117, that multiplied together give a palindrome (1424241).

The spelling of 12173117 in words is "twelve million, one hundred seventy-three thousand, one hundred seventeen".