12065849 has 4 divisors (see below), whose sum is σ = 12360180. Its totient is φ = 11771520.

The previous prime is 12065791. The next prime is 12065857. The reversal of 12065849 is 94856021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94856021 = 13 ⋅7296617.

It can be written as a sum of positive squares in 2 ways, for example, as 211600 + 11854249 = 460^2 + 3443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12065849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12065149) 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 3 ways as a sum of consecutive naturals, for example, 147104 + ... + 147185.

It is an arithmetic number, because the mean of its divisors is an integer number (3090045).

Almost surely, 2^12065849 is an apocalyptic number.

It is an amenable number.

12065849 is a deficient number, since it is larger than the sum of its proper divisors (294331).

12065849 is an equidigital number, since it uses as much as digits as its factorization.

12065849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294330.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12065849 is about 3473.5930964924. The cubic root of 12065849 is about 229.3608531195.

The spelling of 12065849 in words is "twelve million, sixty-five thousand, eight hundred forty-nine".