12771223 has 8 divisors (see below), whose sum is σ = 13284000. Its totient is φ = 12263328.

The previous prime is 12771221. The next prime is 12771271. The reversal of 12771223 is 32217721.

12771223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12771223 - 2¹ = 12771221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12771221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4665 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (1660500).

Almost surely, 2^12771223 is an apocalyptic number.

12771223 is a deficient number, since it is larger than the sum of its proper divisors (512777).

12771223 is a wasteful number, since it uses less digits than its factorization.

12771223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441.

The product of its digits is 1176, while the sum is 25.

The square root of 12771223 is about 3573.6847930393. The cubic root of 12771223 is about 233.7459865669.

Adding to 12771223 its reverse (32217721), we get a palindrome (44988944).

It can be divided in two parts, 1277 and 1223, that added together give a square (2500 = 50²).

The spelling of 12771223 in words is "twelve million, seven hundred seventy-one thousand, two hundred twenty-three".