12118032 has 40 divisors (see below), whose sum is σ = 34784480. Its totient is φ = 4039200.

The previous prime is 12118019. The next prime is 12118037. The reversal of 12118032 is 23081121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12117996 and 12118014.

It is not an unprimeable number, because it can be changed into a prime (12118037) 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, 13594 + ... + 14457.

It is an arithmetic number, because the mean of its divisors is an integer number (869612).

Almost surely, 2^12118032 is an apocalyptic number.

12118032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12118032 is an abundant number, since it is smaller than the sum of its proper divisors (22666448).

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

12118032 is a wasteful number, since it uses less digits than its factorization.

12118032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28068 (or 28056 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12118032 is about 3481.0963790162. The cubic root of 12118032 is about 229.6910281007.

Adding to 12118032 its reverse (23081121), we get a palindrome (35199153).

The spelling of 12118032 in words is "twelve million, one hundred eighteen thousand, thirty-two".