12271069 has 2 divisors, whose sum is σ = 12271070. Its totient is φ = 12271068.

The previous prime is 12271027. The next prime is 12271073. The reversal of 12271069 is 96017221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8922169 + 3348900 = 2987^2 + 1830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12271069 is a prime.

It is a super-2 number, since 2×12271069² = 301158268805522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12271019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135534 + 6135535.

It is an arithmetic number, because the mean of its divisors is an integer number (6135535).

Almost surely, 2^12271069 is an apocalyptic number.

It is an amenable number.

12271069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12271069 is an equidigital number, since it uses as much as digits as its factorization.

12271069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 12271069 is about 3503.0085640775. The cubic root of 12271069 is about 230.6538984750.

The spelling of 12271069 in words is "twelve million, two hundred seventy-one thousand, sixty-nine".