11288212 has 12 divisors (see below), whose sum is σ = 21274036. Its totient is φ = 5209920.

The previous prime is 11288197. The next prime is 11288213. The reversal of 11288212 is 21288211.

11288212 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 5924356 + 5363856 = 2434^2 + 2316^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11288213) 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, 108489 + ... + 108592.

Almost surely, 2^11288212 is an apocalyptic number.

It is an amenable number.

11288212 is a deficient number, since it is larger than the sum of its proper divisors (9985824).

11288212 is a wasteful number, since it uses less digits than its factorization.

11288212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217098 (or 217096 counting only the distinct ones).

The product of its digits is 512, while the sum is 25.

The square root of 11288212 is about 3359.7934460321. The cubic root of 11288212 is about 224.3236446169.

Subtracting 11288212 from its reverse (21288211), we obtain a palindrome (9999999).

The spelling of 11288212 in words is "eleven million, two hundred eighty-eight thousand, two hundred twelve".