11527213 has 2 divisors, whose sum is σ = 11527214. Its totient is φ = 11527212.

The previous prime is 11527199. The next prime is 11527223. The reversal of 11527213 is 31272511.

It is a happy number.

11527213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6135529 + 5391684 = 2477^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 11527213 - 2⁹ = 11526701 is a prime.

It is a super-5 number, since 5×11527213⁵ (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11527223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5763606 + 5763607.

It is an arithmetic number, because the mean of its divisors is an integer number (5763607).

Almost surely, 2^11527213 is an apocalyptic number.

It is an amenable number.

11527213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11527213 is an equidigital number, since it uses as much as digits as its factorization.

11527213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 22.

The square root of 11527213 is about 3395.1749586730. The cubic root of 11527213 is about 225.8957738531.

Adding to 11527213 its reverse (31272511), we get a palindrome (42799724).

The spelling of 11527213 in words is "eleven million, five hundred twenty-seven thousand, two hundred thirteen".