12213267 has 16 divisors (see below), whose sum is σ = 18102528. Its totient is φ = 7261280.

The previous prime is 12213251. The next prime is 12213269. The reversal of 12213267 is 76231221.

12213267 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12213267 - 2⁴ = 12213251 is a prime.

12213267 is a modest number, since divided by 3267 gives 1221 as remainder.

It is not an unprimeable number, because it can be changed into a prime (12213269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (1131408).

Almost surely, 2^12213267 is an apocalyptic number.

12213267 is a deficient number, since it is larger than the sum of its proper divisors (5889261).

12213267 is a wasteful number, since it uses less digits than its factorization.

12213267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050.

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

The square root of 12213267 is about 3494.7484888043. The cubic root of 12213267 is about 230.2911687312.

Adding to 12213267 its reverse (76231221), we get a palindrome (88444488).

The spelling of 12213267 in words is "twelve million, two hundred thirteen thousand, two hundred sixty-seven".