11133213 has 24 divisors (see below), whose sum is σ = 18376128. Its totient is φ = 5870592.

The previous prime is 11133211. The next prime is 11133217. The reversal of 11133213 is 31233111.

11133213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11133213 - 2¹ = 11133211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133192 and 11133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1981 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (765672).

Almost surely, 2^11133213 is an apocalyptic number.

11133213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11133213 is a deficient number, since it is larger than the sum of its proper divisors (7242915).

11133213 is a wasteful number, since it uses less digits than its factorization.

11133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3160 counting only the distinct ones).

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

The square root of 11133213 is about 3336.6469696388. The cubic root of 11133213 is about 223.2921760250.

Adding to 11133213 its reverse (31233111), we get a palindrome (42366324).

The spelling of 11133213 in words is "eleven million, one hundred thirty-three thousand, two hundred thirteen".