12108849 has 4 divisors (see below), whose sum is σ = 16145136. Its totient is φ = 8072564.

The previous prime is 12108847. The next prime is 12108853. The reversal of 12108849 is 94880121.

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.

It is a cyclic number.

It is not a de Polignac number, because 12108849 - 2¹ = 12108847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12108847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018139 + ... + 2018144.

It is an arithmetic number, because the mean of its divisors is an integer number (4036284).

Almost surely, 2^12108849 is an apocalyptic number.

It is an amenable number.

12108849 is a deficient number, since it is larger than the sum of its proper divisors (4036287).

12108849 is an equidigital number, since it uses as much as digits as its factorization.

12108849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036286.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 12108849 is about 3479.7771480369. Note that the first 3 decimals coincide. The cubic root of 12108849 is about 229.6329937673.

The spelling of 12108849 in words is "twelve million, one hundred eight thousand, eight hundred forty-nine".