12213362 has 8 divisors (see below), whose sum is σ = 20937216. Its totient is φ = 5234292.

The previous prime is 12213353. The next prime is 12213401. The reversal of 12213362 is 26331221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12213362² = 298332422686088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436178 + ... + 436205.

It is an arithmetic number, because the mean of its divisors is an integer number (2617152).

Almost surely, 2^12213362 is an apocalyptic number.

12213362 is a deficient number, since it is larger than the sum of its proper divisors (8723854).

12213362 is an equidigital number, since it uses as much as digits as its factorization.

12213362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872392.

The product of its digits is 432, while the sum is 20.

The square root of 12213362 is about 3494.7620806001. The cubic root of 12213362 is about 230.2917658307.

Adding to 12213362 its reverse (26331221), we get a palindrome (38544583).

The spelling of 12213362 in words is "twelve million, two hundred thirteen thousand, three hundred sixty-two".