11215284 has 12 divisors (see below), whose sum is σ = 26169024. Its totient is φ = 3738424.

The previous prime is 11215279. The next prime is 11215289. The reversal of 11215284 is 48251211.

It is an interprime number because it is at equal distance from previous prime (11215279) and next prime (11215289).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215289) 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 3 ways as a sum of consecutive naturals, for example, 467292 + ... + 467315.

It is an arithmetic number, because the mean of its divisors is an integer number (2180752).

Almost surely, 2^11215284 is an apocalyptic number.

It is an amenable number.

11215284 is an abundant number, since it is smaller than the sum of its proper divisors (14953740).

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

11215284 is a wasteful number, since it uses less digits than its factorization.

11215284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934614 (or 934612 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 11215284 is about 3348.9228118904. The cubic root of 11215284 is about 223.8395162145.

Adding to 11215284 its reverse (48251211), we get a palindrome (59466495).

The spelling of 11215284 in words is "eleven million, two hundred fifteen thousand, two hundred eighty-four".