11147748 has 12 divisors (see below), whose sum is σ = 26011440. Its totient is φ = 3715912.

The previous prime is 11147729. The next prime is 11147753. The reversal of 11147748 is 84774111.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 464478 + ... + 464501.

It is an arithmetic number, because the mean of its divisors is an integer number (2167620).

Almost surely, 2^11147748 is an apocalyptic number.

It is an amenable number.

11147748 is an abundant number, since it is smaller than the sum of its proper divisors (14863692).

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

11147748 is a wasteful number, since it uses less digits than its factorization.

11147748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928986 (or 928984 counting only the distinct ones).

The product of its digits is 6272, while the sum is 33.

The square root of 11147748 is about 3338.8243439870. The cubic root of 11147748 is about 223.3893070266.

The spelling of 11147748 in words is "eleven million, one hundred forty-seven thousand, seven hundred forty-eight".