11680213 has 2 divisors, whose sum is σ = 11680214. Its totient is φ = 11680212.

The previous prime is 11680189. The next prime is 11680237. The reversal of 11680213 is 31208611.

It is a balanced prime because it is at equal distance from previous prime (11680189) and next prime (11680237).

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 544644 = 3337^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 11680213 - 2⁵ = 11680181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11680313) 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, 5840106 + 5840107.

It is an arithmetic number, because the mean of its divisors is an integer number (5840107).

Almost surely, 2^11680213 is an apocalyptic number.

It is an amenable number.

11680213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11680213 is an equidigital number, since it uses as much as digits as its factorization.

11680213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11680213 is about 3417.6326601904. The cubic root of 11680213 is about 226.8908180073.

Adding to 11680213 its reverse (31208611), we get a palindrome (42888824).

The spelling of 11680213 in words is "eleven million, six hundred eighty thousand, two hundred thirteen".