12097118 has 32 divisors (see below), whose sum is σ = 20856960. Its totient is φ = 5211360.

The previous prime is 12097109. The next prime is 12097121. The reversal of 12097118 is 81179021.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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, 42605 + ... + 42887.

It is an arithmetic number, because the mean of its divisors is an integer number (651780).

Almost surely, 2^12097118 is an apocalyptic number.

12097118 is a deficient number, since it is larger than the sum of its proper divisors (8759842).

12097118 is a wasteful number, since it uses less digits than its factorization.

12097118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 12097118 is about 3478.0911431416. The cubic root of 12097118 is about 229.5588139935.

The spelling of 12097118 in words is "twelve million, ninety-seven thousand, one hundred eighteen".