12213353 has 2 divisors, whose sum is σ = 12213354. Its totient is φ = 12213352.

The previous prime is 12213347. The next prime is 12213401. The reversal of 12213353 is 35331221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6390784 + 5822569 = 2528^2 + 2413^2 .

It is an emirp because it is prime and its reverse (35331221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213053) by changing a digit.

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 as a sum of consecutive naturals, namely, 6106676 + 6106677.

It is an arithmetic number, because the mean of its divisors is an integer number (6106677).

Almost surely, 2^12213353 is an apocalyptic number.

It is an amenable number.

12213353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213353 is an equidigital number, since it uses as much as digits as its factorization.

12213353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 20.

The square root of 12213353 is about 3494.7607929585. The cubic root of 12213353 is about 230.2917092635.

Adding to 12213353 its reverse (35331221), we get a palindrome (47544574).

The spelling of 12213353 in words is "twelve million, two hundred thirteen thousand, three hundred fifty-three".