12213336 has 32 divisors (see below), whose sum is σ = 30781440. Its totient is φ = 4038048.

The previous prime is 12213329. The next prime is 12213347. The reversal of 12213336 is 63331221.

12213336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (961920).

Almost surely, 2^12213336 is an apocalyptic number.

It is an amenable number.

12213336 is an abundant number, since it is smaller than the sum of its proper divisors (18568104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12213336 is a wasteful number, since it uses less digits than its factorization.

12213336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143 (or 4139 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 12213336 is about 3494.7583607454. The cubic root of 12213336 is about 230.2916024143.

Adding to 12213336 its reverse (63331221), we get a palindrome (75544557).

The spelling of 12213336 in words is "twelve million, two hundred thirteen thousand, three hundred thirty-six".