12272867 has 2 divisors, whose sum is σ = 12272868. Its totient is φ = 12272866.

The previous prime is 12272857. The next prime is 12272881. The reversal of 12272867 is 76827221.

It is a weak prime.

It is an emirp because it is prime and its reverse (76827221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12272867 - 2¹² = 12268771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12272857) 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 as a sum of consecutive naturals, namely, 6136433 + 6136434.

It is an arithmetic number, because the mean of its divisors is an integer number (6136434).

Almost surely, 2^12272867 is an apocalyptic number.

12272867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272867 is an equidigital number, since it uses as much as digits as its factorization.

12272867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 12272867 is about 3503.2651912180. The cubic root of 12272867 is about 230.6651633305.

The spelling of 12272867 in words is "twelve million, two hundred seventy-two thousand, eight hundred sixty-seven".