12118245 has 16 divisors (see below), whose sum is σ = 19802880. Its totient is φ = 6325184.

The previous prime is 12118243. The next prime is 12118273. The reversal of 12118245 is 54281121.

It is a cyclic number.

It is not a de Polignac number, because 12118245 - 2¹ = 12118243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118243) 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 15 ways as a sum of consecutive naturals, for example, 7890 + ... + 9299.

It is an arithmetic number, because the mean of its divisors is an integer number (1237680).

Almost surely, 2^12118245 is an apocalyptic number.

12118245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12118245 is a deficient number, since it is larger than the sum of its proper divisors (7684635).

12118245 is a wasteful number, since it uses less digits than its factorization.

12118245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17244.

The product of its digits is 640, while the sum is 24.

The square root of 12118245 is about 3481.1269726915. The cubic root of 12118245 is about 229.6923738611.

Adding to 12118245 its reverse (54281121), we get a palindrome (66399366).

The spelling of 12118245 in words is "twelve million, one hundred eighteen thousand, two hundred forty-five".