12213352 has 24 divisors (see below), whose sum is σ = 24174450. Its totient is φ = 5783904.

The previous prime is 12213347. The next prime is 12213353. The reversal of 12213352 is 25331221.

12213352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 5731236 = 2546^2 + 2394^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12213353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 774 + ... + 5002.

Almost surely, 2^12213352 is an apocalyptic number.

It is an amenable number.

12213352 is a deficient number, since it is larger than the sum of its proper divisors (11961098).

12213352 is a wasteful number, since it uses less digits than its factorization.

12213352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273 (or 4250 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 12213352 is about 3494.7606498872. The cubic root of 12213352 is about 230.2917029782.

Adding to 12213352 its reverse (25331221), we get a palindrome (37544573).

The spelling of 12213352 in words is "twelve million, two hundred thirteen thousand, three hundred fifty-two".