12166273 has 4 divisors (see below), whose sum is σ = 13904320. Its totient is φ = 10428228.

The previous prime is 12166261. The next prime is 12166307. The reversal of 12166273 is 37266121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37266121 = 103 ⋅361807.

It is a cyclic number.

It is not a de Polignac number, because 12166273 - 2²¹ = 10069121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12166243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869013 + ... + 869026.

It is an arithmetic number, because the mean of its divisors is an integer number (3476080).

Almost surely, 2^12166273 is an apocalyptic number.

It is an amenable number.

12166273 is a deficient number, since it is larger than the sum of its proper divisors (1738047).

12166273 is an equidigital number, since it uses as much as digits as its factorization.

12166273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738046.

The product of its digits is 3024, while the sum is 28.

The square root of 12166273 is about 3488.0184919235. The cubic root of 12166273 is about 229.9954189384.

The spelling of 12166273 in words is "twelve million, one hundred sixty-six thousand, two hundred seventy-three".