12118697 has 4 divisors (see below), whose sum is σ = 12127056. Its totient is φ = 12110340.

The previous prime is 12118693. The next prime is 12118727. The reversal of 12118697 is 79681121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12118697 - 2² = 12118693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12118693) 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 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 5112.

It is an arithmetic number, because the mean of its divisors is an integer number (3031764).

Almost surely, 2^12118697 is an apocalyptic number.

It is an amenable number.

12118697 is a deficient number, since it is larger than the sum of its proper divisors (8359).

12118697 is an equidigital number, since it uses as much as digits as its factorization.

12118697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358.

The product of its digits is 6048, while the sum is 35.

The square root of 12118697 is about 3481.1918935905. The cubic root of 12118697 is about 229.6952296009.

The spelling of 12118697 in words is "twelve million, one hundred eighteen thousand, six hundred ninety-seven".