11164213 has 4 divisors (see below), whose sum is σ = 11249568. Its totient is φ = 11078860.

The previous prime is 11164211. The next prime is 11164243. The reversal of 11164213 is 31246111.

11164213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31246111 = 13 ⋅2403547.

It is a cyclic number.

It is not a de Polignac number, because 11164213 - 2¹ = 11164211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11164211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42481 + ... + 42742.

It is an arithmetic number, because the mean of its divisors is an integer number (2812392).

Almost surely, 2^11164213 is an apocalyptic number.

It is an amenable number.

11164213 is a deficient number, since it is larger than the sum of its proper divisors (85355).

11164213 is an equidigital number, since it uses as much as digits as its factorization.

11164213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85354.

The product of its digits is 144, while the sum is 19.

The square root of 11164213 is about 3341.2891224795. The cubic root of 11164213 is about 223.4992334320.

It can be divided in two parts, 1116 and 4213, that added together give a square (5329 = 73²).

The spelling of 11164213 in words is "eleven million, one hundred sixty-four thousand, two hundred thirteen".