12275567 has 2 divisors, whose sum is σ = 12275568. Its totient is φ = 12275566.

The previous prime is 12275509. The next prime is 12275569. The reversal of 12275567 is 76557221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12275567 - 2¹² = 12271471 is a prime.

Together with 12275569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12275569) 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, 6137783 + 6137784.

It is an arithmetic number, because the mean of its divisors is an integer number (6137784).

Almost surely, 2^12275567 is an apocalyptic number.

12275567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12275567 is an equidigital number, since it uses as much as digits as its factorization.

12275567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 12275567 is about 3503.6505248098. The cubic root of 12275567 is about 230.6820773429.

The spelling of 12275567 in words is "twelve million, two hundred seventy-five thousand, five hundred sixty-seven".