11213105 has 8 divisors (see below), whose sum is σ = 13500864. Its totient is φ = 8940400.

The previous prime is 11213093. The next prime is 11213113. The reversal of 11213105 is 50131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11213105 - 2⁴ = 11213089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11213105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2051 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (1687608).

Almost surely, 2^11213105 is an apocalyptic number.

It is an amenable number.

11213105 is a deficient number, since it is larger than the sum of its proper divisors (2287759).

11213105 is an equidigital number, since it uses as much as digits as its factorization.

11213105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11213105 is about 3348.5974675974. The cubic root of 11213105 is about 223.8250187990.

Adding to 11213105 its reverse (50131211), we get a palindrome (61344316).

The spelling of 11213105 in words is "eleven million, two hundred thirteen thousand, one hundred five".