11988548 has 24 divisors (see below), whose sum is σ = 24648960. Its totient is φ = 5029920.

The previous prime is 11988541. The next prime is 11988569. The reversal of 11988548 is 84588911.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 11988499 and 11988508.

It is not an unprimeable number, because it can be changed into a prime (11988541) by changing a digit.

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, 9908 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (1027040).

Almost surely, 2^11988548 is an apocalyptic number.

It is an amenable number.

11988548 is an abundant number, since it is smaller than the sum of its proper divisors (12660412).

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

11988548 is a wasteful number, since it uses less digits than its factorization.

11988548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20987 (or 20985 counting only the distinct ones).

The product of its digits is 92160, while the sum is 44.

The square root of 11988548 is about 3462.4482667615. The cubic root of 11988548 is about 228.8699960667.

The spelling of 11988548 in words is "eleven million, nine hundred eighty-eight thousand, five hundred forty-eight".