12473222 has 16 divisors (see below), whose sum is σ = 20155392. Its totient is φ = 5772360.

The previous prime is 12473221. The next prime is 12473233. The reversal of 12473222 is 22237421.

It is a happy number.

It is a super-2 number, since 2×12473222² = 311162534122568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12473221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2948 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (1259712).

Almost surely, 2^12473222 is an apocalyptic number.

12473222 is a deficient number, since it is larger than the sum of its proper divisors (7682170).

12473222 is a wasteful number, since it uses less digits than its factorization.

12473222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803.

The product of its digits is 1344, while the sum is 23.

The square root of 12473222 is about 3531.7448945245. The cubic root of 12473222 is about 231.9135999122.

The spelling of 12473222 in words is "twelve million, four hundred seventy-three thousand, two hundred twenty-two".