11213288 has 16 divisors (see below), whose sum is σ = 21262500. Its totient is φ = 5543296.

The previous prime is 11213281. The next prime is 11213299. The reversal of 11213288 is 88231211.

11213288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8773444 + 2439844 = 2962^2 + 1562^2 .

It is not an unprimeable number, because it can be changed into a prime (11213281) 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, 7163 + ... + 8586.

Almost surely, 2^11213288 is an apocalyptic number.

It is an amenable number.

11213288 is a deficient number, since it is larger than the sum of its proper divisors (10049212).

11213288 is a wasteful number, since it uses less digits than its factorization.

11213288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15844 (or 15840 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 11213288 is about 3348.6247923588. The cubic root of 11213288 is about 223.8262364146.

Adding to 11213288 its reverse (88231211), we get a palindrome (99444499).

The spelling of 11213288 in words is "eleven million, two hundred thirteen thousand, two hundred eighty-eight".