11181672 has 32 divisors (see below), whose sum is σ = 31060800. Its totient is φ = 3727152.

The previous prime is 11181661. The next prime is 11181679. The reversal of 11181672 is 27618111.

11181672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11181679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25668 + ... + 26099.

It is an arithmetic number, because the mean of its divisors is an integer number (970650).

Almost surely, 2^11181672 is an apocalyptic number.

11181672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11181672 is an abundant number, since it is smaller than the sum of its proper divisors (19879128).

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

11181672 is a wasteful number, since it uses less digits than its factorization.

11181672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51782 (or 51772 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 11181672 is about 3343.9007162295. The cubic root of 11181672 is about 223.6156781473.

Adding to 11181672 its reverse (27618111), we get a palindrome (38799783).

The spelling of 11181672 in words is "eleven million, one hundred eighty-one thousand, six hundred seventy-two".