11587648 has 28 divisors (see below), whose sum is σ = 23105872. Its totient is φ = 5765760.

The previous prime is 11587643. The next prime is 11587649. The reversal of 11587648 is 84678511.

It is a self number, because there is not a number n which added to its sum of digits gives 11587648.

It is not an unprimeable number, because it can be changed into a prime (11587643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20911 + ... + 21457.

Almost surely, 2^11587648 is an apocalyptic number.

It is an amenable number.

11587648 is a deficient number, since it is larger than the sum of its proper divisors (11518224).

11587648 is an equidigital number, since it uses as much as digits as its factorization.

11587648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 880 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 11587648 is about 3404.0634541677. The cubic root of 11587648 is about 226.2898622315.

The spelling of 11587648 in words is "eleven million, five hundred eighty-seven thousand, six hundred forty-eight".