12227943 has 32 divisors (see below), whose sum is σ = 20514816. Its totient is φ = 6306048.

The previous prime is 12227921. The next prime is 12227951. The reversal of 12227943 is 34972221.

It is not a de Polignac number, because 12227943 - 2⁵ = 12227911 is a prime.

It is a super-2 number, since 2×12227943² = 299045180022498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12227943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12355 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

Almost surely, 2^12227943 is an apocalyptic number.

12227943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12227943 is a deficient number, since it is larger than the sum of its proper divisors (8286873).

12227943 is a wasteful number, since it uses less digits than its factorization.

12227943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its digits is 6048, while the sum is 30.

The square root of 12227943 is about 3496.8475803215. The cubic root of 12227943 is about 230.3833744815.

The spelling of 12227943 in words is "twelve million, two hundred twenty-seven thousand, nine hundred forty-three".