12173226 has 32 divisors (see below), whose sum is σ = 26369280. Its totient is φ = 3724224.

The previous prime is 12173219. The next prime is 12173237. The reversal of 12173226 is 62237121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12173196 and 12173205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18316 + ... + 18968.

It is an arithmetic number, because the mean of its divisors is an integer number (824040).

Almost surely, 2^12173226 is an apocalyptic number.

12173226 is an abundant number, since it is smaller than the sum of its proper divisors (14196054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12173226 is a wasteful number, since it uses less digits than its factorization.

12173226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its digits is 1008, while the sum is 24.

The square root of 12173226 is about 3489.0150472590. The cubic root of 12173226 is about 230.0392245641.

The spelling of 12173226 in words is "twelve million, one hundred seventy-three thousand, two hundred twenty-six".