12770211 has 4 divisors (see below), whose sum is σ = 17026952. Its totient is φ = 8513472.

The previous prime is 12770209. The next prime is 12770239. The reversal of 12770211 is 11207721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12770211 - 2¹ = 12770209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12770201) 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 3 ways as a sum of consecutive naturals, for example, 2128366 + ... + 2128371.

It is an arithmetic number, because the mean of its divisors is an integer number (4256738).

Almost surely, 2^12770211 is an apocalyptic number.

12770211 is a deficient number, since it is larger than the sum of its proper divisors (4256741).

12770211 is an equidigital number, since it uses as much as digits as its factorization.

12770211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256740.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 12770211 is about 3573.5431996829. The cubic root of 12770211 is about 233.7398123426.

Adding to 12770211 its reverse (11207721), we get a palindrome (23977932).

The spelling of 12770211 in words is "twelve million, seven hundred seventy thousand, two hundred eleven".