11552213 has 2 divisors, whose sum is σ = 11552214. Its totient is φ = 11552212.

The previous prime is 11552161. The next prime is 11552227. The reversal of 11552213 is 31225511.

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., 9498724 + 2053489 = 3082^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 11552213 - 2¹⁴ = 11535829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11552263) 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, 5776106 + 5776107.

It is an arithmetic number, because the mean of its divisors is an integer number (5776107).

Almost surely, 2^11552213 is an apocalyptic number.

It is an amenable number.

11552213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11552213 is an equidigital number, since it uses as much as digits as its factorization.

11552213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 20.

The square root of 11552213 is about 3398.8546600289. The cubic root of 11552213 is about 226.0589620873.

Adding to 11552213 its reverse (31225511), we get a palindrome (42777724).

The spelling of 11552213 in words is "eleven million, five hundred fifty-two thousand, two hundred thirteen".