1232213 has 2 divisors, whose sum is σ = 1232214. Its totient is φ = 1232212.

The previous prime is 1232201. The next prime is 1232221. The reversal of 1232213 is 3122321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813604 + 418609 = 902^2 + 647^2 .

It is an emirp because it is prime and its reverse (3122321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232213 - 2¹⁶ = 1166677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616106 + 616107.

It is an arithmetic number, because the mean of its divisors is an integer number (616107).

2^1232213 is an apocalyptic number.

It is an amenable number.

1232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232213 is an equidigital number, since it uses as much as digits as its factorization.

1232213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 14.

The square root of 1232213 is about 1110.0508997339. The cubic root of 1232213 is about 107.2083459103.

Adding to 1232213 its reverse (3122321), we get a palindrome (4354534).

The spelling of 1232213 in words is "one million, two hundred thirty-two thousand, two hundred thirteen".