11283240 has 64 divisors (see below), whose sum is σ = 35847360. Its totient is φ = 2831360.

The previous prime is 11283229. The next prime is 11283263. The reversal of 11283240 is 4238211.

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, 726 + ... + 4805.

It is an arithmetic number, because the mean of its divisors is an integer number (560115).

Almost surely, 2^11283240 is an apocalyptic number.

11283240 is a gapful number since it is divisible by the number (10) 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 11283240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17923680).

11283240 is an abundant number, since it is smaller than the sum of its proper divisors (24564120).

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

11283240 is a wasteful number, since it uses less digits than its factorization.

11283240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562 (or 5558 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 11283240 is about 3359.0534380983. The cubic root of 11283240 is about 224.2907046215.

The spelling of 11283240 in words is "eleven million, two hundred eighty-three thousand, two hundred forty".