12227393 has 4 divisors (see below), whose sum is σ = 12870960. Its totient is φ = 11583828.

The previous prime is 12227377. The next prime is 12227419. The reversal of 12227393 is 39372221.

12227393 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 12227393 - 2⁴ = 12227377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12227323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321755 + ... + 321792.

It is an arithmetic number, because the mean of its divisors is an integer number (3217740).

Almost surely, 2^12227393 is an apocalyptic number.

It is an amenable number.

12227393 is a deficient number, since it is larger than the sum of its proper divisors (643567).

12227393 is an equidigital number, since it uses as much as digits as its factorization.

12227393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643566.

The product of its digits is 4536, while the sum is 29.

The square root of 12227393 is about 3496.7689371761. The cubic root of 12227393 is about 230.3799202959.

The spelling of 12227393 in words is "twelve million, two hundred twenty-seven thousand, three hundred ninety-three".