12651227 has 2 divisors, whose sum is σ = 12651228. Its totient is φ = 12651226.

The previous prime is 12651203. The next prime is 12651251. The reversal of 12651227 is 72215621.

It is a balanced prime because it is at equal distance from previous prime (12651203) and next prime (12651251).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12651227 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12651196 and 12651205.

It is not a weakly prime, because it can be changed into another prime (12651257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325613 + 6325614.

It is an arithmetic number, because the mean of its divisors is an integer number (6325614).

Almost surely, 2^12651227 is an apocalyptic number.

12651227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651227 is an equidigital number, since it uses as much as digits as its factorization.

12651227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 12651227 is about 3556.8563367108. The cubic root of 12651227 is about 233.0116039829.

Adding to 12651227 its reverse (72215621), we get a palindrome (84866848).

The spelling of 12651227 in words is "twelve million, six hundred fifty-one thousand, two hundred twenty-seven".