12118528 has 20 divisors (see below), whose sum is σ = 24214410. Its totient is φ = 6059008.

The previous prime is 12118487. The next prime is 12118529. The reversal of 12118528 is 82581121.

It can be written as a sum of positive squares in only one way, i.e., 10969344 + 1149184 = 3312^2 + 1072^2 .

It is a super-3 number, since 3×12118528³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12118496 and 12118505.

It is not an unprimeable number, because it can be changed into a prime (12118529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11323 + ... + 12346.

Almost surely, 2^12118528 is an apocalyptic number.

It is an amenable number.

12118528 is a deficient number, since it is larger than the sum of its proper divisors (12095882).

12118528 is an frugal number, since it uses more digits than its factorization.

12118528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23687 (or 23671 counting only the distinct ones).

The product of its digits is 1280, while the sum is 28.

The square root of 12118528 is about 3481.1676202102. The cubic root of 12118528 is about 229.6941618658.

Adding to 12118528 its reverse (82581121), we get a palindrome (94699649).

The spelling of 12118528 in words is "twelve million, one hundred eighteen thousand, five hundred twenty-eight".