12108969 has 6 divisors (see below), whose sum is σ = 17490746. Its totient is φ = 8072640.

The previous prime is 12108961. The next prime is 12109007. The reversal of 12108969 is 96980121.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 1996569 = 3180^2 + 1413^2 .

It is not a de Polignac number, because 12108969 - 2³ = 12108961 is a prime.

It is a super-2 number, since 2×12108969² = 293254260485922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12108961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672712 + ... + 672729.

Almost surely, 2^12108969 is an apocalyptic number.

It is an amenable number.

12108969 is a deficient number, since it is larger than the sum of its proper divisors (5381777).

12108969 is a wasteful number, since it uses less digits than its factorization.

12108969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345447 (or 1345444 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 12108969 is about 3479.7943904777. The cubic root of 12108969 is about 229.6337523274.

The spelling of 12108969 in words is "twelve million, one hundred eight thousand, nine hundred sixty-nine".