11313213 has 4 divisors (see below), whose sum is σ = 15084288. Its totient is φ = 7542140.

The previous prime is 11313209. The next prime is 11313271. The reversal of 11313213 is 31231311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11313213 - 2² = 11313209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11313192 and 11313201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313283) 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 in 3 ways as a sum of consecutive naturals, for example, 1885533 + ... + 1885538.

It is an arithmetic number, because the mean of its divisors is an integer number (3771072).

Almost surely, 2^11313213 is an apocalyptic number.

It is an amenable number.

11313213 is a deficient number, since it is larger than the sum of its proper divisors (3771075).

11313213 is an equidigital number, since it uses as much as digits as its factorization.

11313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771074.

The product of its digits is 54, while the sum is 15.

The square root of 11313213 is about 3363.5120038436. The cubic root of 11313213 is about 224.4891322990.

Adding to 11313213 its reverse (31231311), we get a palindrome (42544524).

The spelling of 11313213 in words is "eleven million, three hundred thirteen thousand, two hundred thirteen".