12622667 has 2 divisors, whose sum is σ = 12622668. Its totient is φ = 12622666.

The previous prime is 12622663. The next prime is 12622679. The reversal of 12622667 is 76622621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12622667 - 2² = 12622663 is a prime.

It is not a weakly prime, because it can be changed into another prime (12622663) 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, 6311333 + 6311334.

It is an arithmetic number, because the mean of its divisors is an integer number (6311334).

Almost surely, 2^12622667 is an apocalyptic number.

12622667 is a deficient number, since it is larger than the sum of its proper divisors (1).

12622667 is an equidigital number, since it uses as much as digits as its factorization.

12622667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 12622667 is about 3552.8392871055. The cubic root of 12622667 is about 232.8361315321.

The spelling of 12622667 in words is "twelve million, six hundred twenty-two thousand, six hundred sixty-seven".