11287488 has 28 divisors (see below), whose sum is σ = 29865320. Its totient is φ = 3762432.

The previous prime is 11287487. The next prime is 11287511. The reversal of 11287488 is 88478211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287481) 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, 29203 + ... + 29586.

Almost surely, 2^11287488 is an apocalyptic number.

It is an amenable number.

11287488 is an abundant number, since it is smaller than the sum of its proper divisors (18577832).

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

11287488 is an equidigital number, since it uses as much as digits as its factorization.

11287488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58804 (or 58794 counting only the distinct ones).

The product of its digits is 28672, while the sum is 39.

The square root of 11287488 is about 3359.6856995856. The cubic root of 11287488 is about 224.3188486465.

The spelling of 11287488 in words is "eleven million, two hundred eighty-seven thousand, four hundred eighty-eight".