11287444 has 48 divisors (see below), whose sum is σ = 24304000. Its totient is φ = 4572288.

The previous prime is 11287429. The next prime is 11287453. The reversal of 11287444 is 44478211.

It is a happy number.

11287444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 25852 + ... + 26284.

Almost surely, 2^11287444 is an apocalyptic number.

11287444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11287444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12152000).

11287444 is an abundant number, since it is smaller than the sum of its proper divisors (13016556).

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

11287444 is a wasteful number, since it uses less digits than its factorization.

11287444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 461 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 11287444 is about 3359.6791513476. The cubic root of 11287444 is about 224.3185571721.

The spelling of 11287444 in words is "eleven million, two hundred eighty-seven thousand, four hundred forty-four".