11213286 has 16 divisors (see below), whose sum is σ = 25630464. Its totient is φ = 3203784.

The previous prime is 11213281. The next prime is 11213299. The reversal of 11213286 is 68231211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133450 + ... + 133533.

It is an arithmetic number, because the mean of its divisors is an integer number (1601904).

Almost surely, 2^11213286 is an apocalyptic number.

11213286 is an abundant number, since it is smaller than the sum of its proper divisors (14417178).

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

11213286 is a wasteful number, since it uses less digits than its factorization.

11213286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266995.

The product of its digits is 576, while the sum is 24.

The square root of 11213286 is about 3348.6244937287. The cubic root of 11213286 is about 223.8262231074.

Adding to 11213286 its reverse (68231211), we get a palindrome (79444497).

The spelling of 11213286 in words is "eleven million, two hundred thirteen thousand, two hundred eighty-six".