12118575 has 48 divisors (see below), whose sum is σ = 23498496. Its totient is φ = 5395200.

The previous prime is 12118567. The next prime is 12118591. The reversal of 12118575 is 57581121.

It is not a de Polignac number, because 12118575 - 2³ = 12118567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21244 + ... + 21806.

It is an arithmetic number, because the mean of its divisors is an integer number (489552).

Almost surely, 2^12118575 is an apocalyptic number.

12118575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12118575 is a deficient number, since it is larger than the sum of its proper divisors (11379921).

12118575 is a wasteful number, since it uses less digits than its factorization.

12118575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 619 counting only the distinct ones).

The product of its digits is 2800, while the sum is 30.

The square root of 12118575 is about 3481.1743708122. The cubic root of 12118575 is about 229.6944588109.

Adding to 12118575 its reverse (57581121), we get a palindrome (69699696).

The spelling of 12118575 in words is "twelve million, one hundred eighteen thousand, five hundred seventy-five".