11487040 has 28 divisors (see below), whose sum is σ = 27354276. Its totient is φ = 4594688.

The previous prime is 11487037. The next prime is 11487041. The reversal of 11487040 is 4078411.

It can be written as a sum of positive squares in 2 ways, for example, as 5992704 + 5494336 = 2448^2 + 2344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11486996 and 11487014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487041) 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, 17629 + ... + 18268.

Almost surely, 2^11487040 is an apocalyptic number.

11487040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11487040 is an abundant number, since it is smaller than the sum of its proper divisors (15867236).

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

11487040 is an equidigital number, since it uses as much as digits as its factorization.

11487040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35914 (or 35904 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 11487040 is about 3389.2536051467. The cubic root of 11487040 is about 225.6330484924.

The spelling of 11487040 in words is "eleven million, four hundred eighty-seven thousand, forty".