12611267 has 2 divisors, whose sum is σ = 12611268. Its totient is φ = 12611266.

The previous prime is 12611257. The next prime is 12611273. The reversal of 12611267 is 76211621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12611267 - 2¹² = 12607171 is a prime.

It is not a weakly prime, because it can be changed into another prime (12611237) 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, 6305633 + 6305634.

It is an arithmetic number, because the mean of its divisors is an integer number (6305634).

Almost surely, 2^12611267 is an apocalyptic number.

12611267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611267 is an equidigital number, since it uses as much as digits as its factorization.

12611267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 12611267 is about 3551.2345740601. The cubic root of 12611267 is about 232.7660160968.

Adding to 12611267 its reverse (76211621), we get a palindrome (88822888).

The spelling of 12611267 in words is "twelve million, six hundred eleven thousand, two hundred sixty-seven".