11213356 has 48 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 4362960.

The previous prime is 11213347. The next prime is 11213357. The reversal of 11213356 is 65331211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213357) 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 15 ways as a sum of consecutive naturals, for example, 14721 + ... + 15463.

It is an arithmetic number, because the mean of its divisors is an integer number (520800).

Almost surely, 2^11213356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11213356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499200).

11213356 is an abundant number, since it is smaller than the sum of its proper divisors (13785044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213356 is a wasteful number, since it uses less digits than its factorization.

11213356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 763 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 11213356 is about 3348.6349457652. The cubic root of 11213356 is about 223.8266888586.

Adding to 11213356 its reverse (65331211), we get a palindrome (76544567).

The spelling of 11213356 in words is "eleven million, two hundred thirteen thousand, three hundred fifty-six".