11388648 has 32 divisors (see below), whose sum is σ = 29455200. Its totient is φ = 3665088.

The previous prime is 11388631. The next prime is 11388661. The reversal of 11388648 is 84688311.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7486 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (920475).

Almost surely, 2^11388648 is an apocalyptic number.

It is an amenable number.

11388648 is an abundant number, since it is smaller than the sum of its proper divisors (18066552).

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

11388648 is a wasteful number, since it uses less digits than its factorization.

11388648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401 (or 16397 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 11388648 is about 3374.7070984013. The cubic root of 11388648 is about 224.9869819629.

The spelling of 11388648 in words is "eleven million, three hundred eighty-eight thousand, six hundred forty-eight".