12213327 has 16 divisors (see below), whose sum is σ = 19706112. Its totient is φ = 6568320.

The previous prime is 12213319. The next prime is 12213329. The reversal of 12213327 is 72331221.

It is not a de Polignac number, because 12213327 - 2³ = 12213319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213329) 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, 16749 + ... + 17462.

It is an arithmetic number, because the mean of its divisors is an integer number (1231632).

Almost surely, 2^12213327 is an apocalyptic number.

12213327 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12213327 is a deficient number, since it is larger than the sum of its proper divisors (7492785).

12213327 is a wasteful number, since it uses less digits than its factorization.

12213327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34238.

The product of its digits is 504, while the sum is 21.

The square root of 12213327 is about 3494.7570731025. The cubic root of 12213327 is about 230.2915458470.

Adding to 12213327 its reverse (72331221), we get a palindrome (84544548).

The spelling of 12213327 in words is "twelve million, two hundred thirteen thousand, three hundred twenty-seven".