12273173 has 4 divisors (see below), whose sum is σ = 13388928. Its totient is φ = 11157420.

The previous prime is 12273169. The next prime is 12273181. The reversal of 12273173 is 37137221.

12273173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 37137221 = 11 ⋅3376111.

It is a cyclic number.

It is not a de Polignac number, because 12273173 - 2² = 12273169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273143) 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, 557861 + ... + 557882.

It is an arithmetic number, because the mean of its divisors is an integer number (3347232).

Almost surely, 2^12273173 is an apocalyptic number.

It is an amenable number.

12273173 is a deficient number, since it is larger than the sum of its proper divisors (1115755).

12273173 is a wasteful number, since it uses less digits than its factorization.

12273173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115754.

The product of its digits is 1764, while the sum is 26.

The square root of 12273173 is about 3503.3088644880. The cubic root of 12273173 is about 230.6670803765.

The spelling of 12273173 in words is "twelve million, two hundred seventy-three thousand, one hundred seventy-three".