12201849 has 24 divisors (see below), whose sum is σ = 19562400. Its totient is φ = 7266240.

The previous prime is 12201829. The next prime is 12201859. The reversal of 12201849 is 94810221.

It is not a de Polignac number, because 12201849 - 2⁸ = 12201593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12201829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4797 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (815100).

Almost surely, 2^12201849 is an apocalyptic number.

It is an amenable number.

12201849 is a deficient number, since it is larger than the sum of its proper divisors (7360551).

12201849 is a wasteful number, since it uses less digits than its factorization.

12201849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2162 counting only the distinct ones).

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

The square root of 12201849 is about 3493.1145128667. The cubic root of 12201849 is about 230.2193811032.

The spelling of 12201849 in words is "twelve million, two hundred one thousand, eight hundred forty-nine".