11408213 has 2 divisors, whose sum is σ = 11408214. Its totient is φ = 11408212.

The previous prime is 11408183. The next prime is 11408231. The reversal of 11408213 is 31280411.

11408213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (11408231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7006609 + 4401604 = 2647^2 + 2098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11408213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11408273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704106 + 5704107.

It is an arithmetic number, because the mean of its divisors is an integer number (5704107).

Almost surely, 2^11408213 is an apocalyptic number.

It is an amenable number.

11408213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11408213 is an equidigital number, since it uses as much as digits as its factorization.

11408213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11408213 is about 3377.6046245823. The cubic root of 11408213 is about 225.1157462081.

Adding to 11408213 its reverse (31280411), we get a palindrome (42688624).

The spelling of 11408213 in words is "eleven million, four hundred eight thousand, two hundred thirteen".