11013288 has 64 divisors (see below), whose sum is σ = 32356800. Its totient is φ = 3079680.

The previous prime is 11013271. The next prime is 11013329. The reversal of 11013288 is 88231011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1828 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (505575).

Almost surely, 2^11013288 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 11013288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16178400).

11013288 is an abundant number, since it is smaller than the sum of its proper divisors (21343512).

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

11013288 is a wasteful number, since it uses less digits than its factorization.

11013288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 11013288 is about 3318.6274271150. The cubic root of 11013288 is about 222.4875252864.

Adding to 11013288 its reverse (88231011), we get a palindrome (99244299).

The spelling of 11013288 in words is "eleven million, thirteen thousand, two hundred eighty-eight".