12403267 has 2 divisors, whose sum is σ = 12403268. Its totient is φ = 12403266.

The previous prime is 12403249. The next prime is 12403273. The reversal of 12403267 is 76230421.

It is a strong prime.

It is an emirp because it is prime and its reverse (76230421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12403267 - 2¹⁵ = 12370499 is a prime.

It is not a weakly prime, because it can be changed into another prime (12403297) 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, 6201633 + 6201634.

It is an arithmetic number, because the mean of its divisors is an integer number (6201634).

Almost surely, 2^12403267 is an apocalyptic number.

12403267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12403267 is an equidigital number, since it uses as much as digits as its factorization.

12403267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 12403267 is about 3521.8272246094. The cubic root of 12403267 is about 231.4792309860.

Adding to 12403267 its reverse (76230421), we get a palindrome (88633688).

The spelling of 12403267 in words is "twelve million, four hundred three thousand, two hundred sixty-seven".