11487240 has 96 divisors (see below), whose sum is σ = 39550680. Its totient is φ = 2881536.

The previous prime is 11487239. The next prime is 11487247. The reversal of 11487240 is 4278411.

It can be written as a sum of positive squares in 4 ways, for example, as 10771524 + 715716 = 3282^2 + 846^2 .

It is not an unprimeable number, because it can be changed into a prime (11487247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5182 + ... + 7058.

Almost surely, 2^11487240 is an apocalyptic number.

11487240 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 11487240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19775340).

11487240 is an abundant number, since it is smaller than the sum of its proper divisors (28063440).

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

11487240 is a wasteful number, since it uses less digits than its factorization.

11487240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 11487240 is about 3389.2831100396. The cubic root of 11487240 is about 225.6343579783.

The spelling of 11487240 in words is "eleven million, four hundred eighty-seven thousand, two hundred forty".