12312467 has 2 divisors, whose sum is σ = 12312468. Its totient is φ = 12312466.

The previous prime is 12312463. The next prime is 12312493. The reversal of 12312467 is 76421321.

It is an a-pointer prime, because the next prime (12312493) can be obtained adding 12312467 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12312467 - 2² = 12312463 is a prime.

It is not a weakly prime, because it can be changed into another prime (12312463) 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, 6156233 + 6156234.

It is an arithmetic number, because the mean of its divisors is an integer number (6156234).

Almost surely, 2^12312467 is an apocalyptic number.

12312467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312467 is an equidigital number, since it uses as much as digits as its factorization.

12312467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 12312467 is about 3508.9125095961. The cubic root of 12312467 is about 230.9129873492.

Adding to 12312467 its reverse (76421321), we get a palindrome (88733788).

The spelling of 12312467 in words is "twelve million, three hundred twelve thousand, four hundred sixty-seven".