12942211 has 6 divisors (see below), whose sum is σ = 13659612. Its totient is φ = 12260700.

The previous prime is 12942203. The next prime is 12942233. The reversal of 12942211 is 11224921.

It is not a de Polignac number, because 12942211 - 2³ = 12942203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12942911) 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 5 ways as a sum of consecutive naturals, for example, 17565 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (2276602).

Almost surely, 2^12942211 is an apocalyptic number.

12942211 is a deficient number, since it is larger than the sum of its proper divisors (717401).

12942211 is an equidigital number, since it uses as much as digits as its factorization.

12942211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35889 (or 35870 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 12942211 is about 3597.5284571494. The cubic root of 12942211 is about 234.7845376857.

The spelling of 12942211 in words is "twelve million, nine hundred forty-two thousand, two hundred eleven".