12173127 has 8 divisors (see below), whose sum is σ = 16790640. Its totient is φ = 7835520.

The previous prime is 12173113. The next prime is 12173143. The reversal of 12173127 is 72137121.

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

It is not a de Polignac number, because 12173127 - 2⁸ = 12172871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12173097 and 12173106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173177) 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, 69874 + ... + 70047.

It is an arithmetic number, because the mean of its divisors is an integer number (2098830).

Almost surely, 2^12173127 is an apocalyptic number.

12173127 is a deficient number, since it is larger than the sum of its proper divisors (4617513).

12173127 is a wasteful number, since it uses less digits than its factorization.

12173127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139953.

The product of its digits is 588, while the sum is 24.

The square root of 12173127 is about 3489.0008598451. Note that the first 3 decimals coincide. The cubic root of 12173127 is about 230.0386009566.

The spelling of 12173127 in words is "twelve million, one hundred seventy-three thousand, one hundred twenty-seven".