12212849 has 12 divisors (see below), whose sum is σ = 13709808. Its totient is φ = 10789200.

The previous prime is 12212833. The next prime is 12212861. The reversal of 12212849 is 94821221.

It is not a de Polignac number, because 12212849 - 2⁴ = 12212833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212899) 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, 14654 + ... + 15464.

It is an arithmetic number, because the mean of its divisors is an integer number (1142484).

Almost surely, 2^12212849 is an apocalyptic number.

It is an amenable number.

12212849 is a deficient number, since it is larger than the sum of its proper divisors (1496959).

12212849 is an equidigital number, since it uses as much as digits as its factorization.

12212849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 859 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 12212849 is about 3494.6886842750. The cubic root of 12212849 is about 230.2885414570.

The spelling of 12212849 in words is "twelve million, two hundred twelve thousand, eight hundred forty-nine".