12772251 has 12 divisors (see below), whose sum is σ = 18500040. Its totient is φ = 8491200.

The previous prime is 12772231. The next prime is 12772259. The reversal of 12772251 is 15227721.

It is not a de Polignac number, because 12772251 - 2¹¹ = 12770203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12772259) 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, 1840 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (1541670).

Almost surely, 2^12772251 is an apocalyptic number.

12772251 is a deficient number, since it is larger than the sum of its proper divisors (5727789).

12772251 is a wasteful number, since it uses less digits than its factorization.

12772251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3943 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 12772251 is about 3573.8286192821. The cubic root of 12772251 is about 233.7522580735.

Adding to 12772251 its reverse (15227721), we get a palindrome (27999972).

The spelling of 12772251 in words is "twelve million, seven hundred seventy-two thousand, two hundred fifty-one".