12012849 has 12 divisors (see below), whose sum is σ = 17387136. Its totient is φ = 7992312.

The previous prime is 12012817. The next prime is 12012851. The reversal of 12012849 is 94821021.

It is not a de Polignac number, because 12012849 - 2⁵ = 12012817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012809) 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 11 ways as a sum of consecutive naturals, for example, 4792 + ... + 6854.

It is an arithmetic number, because the mean of its divisors is an integer number (1448928).

Almost surely, 2^12012849 is an apocalyptic number.

It is an amenable number.

12012849 is a deficient number, since it is larger than the sum of its proper divisors (5374287).

12012849 is a wasteful number, since it uses less digits than its factorization.

12012849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12012849 is about 3465.9557123541. The cubic root of 12012849 is about 229.0245328814.

The spelling of 12012849 in words is "twelve million, twelve thousand, eight hundred forty-nine".