12227329 has 4 divisors (see below), whose sum is σ = 12758976. Its totient is φ = 11695684.

The previous prime is 12227323. The next prime is 12227333. The reversal of 12227329 is 92372221.

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.

It is not a de Polignac number, because 12227329 - 2²¹ = 10130177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12227297 and 12227306.

It is not an unprimeable number, because it can be changed into a prime (12227323) 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, 265789 + ... + 265834.

It is an arithmetic number, because the mean of its divisors is an integer number (3189744).

Almost surely, 2^12227329 is an apocalyptic number.

It is an amenable number.

12227329 is a deficient number, since it is larger than the sum of its proper divisors (531647).

12227329 is an equidigital number, since it uses as much as digits as its factorization.

12227329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531646.

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

The square root of 12227329 is about 3496.7597858589. The cubic root of 12227329 is about 230.3795183475.

The spelling of 12227329 in words is "twelve million, two hundred twenty-seven thousand, three hundred twenty-nine".