12663479 has 2 divisors, whose sum is σ = 12663480. Its totient is φ = 12663478.

The previous prime is 12663473. The next prime is 12663493. The reversal of 12663479 is 97436621.

12663479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12663479 - 2⁸ = 12663223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12663473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331739 + 6331740.

It is an arithmetic number, because the mean of its divisors is an integer number (6331740).

Almost surely, 2^12663479 is an apocalyptic number.

12663479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663479 is an equidigital number, since it uses as much as digits as its factorization.

12663479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 12663479 is about 3558.5782273262. The cubic root of 12663479 is about 233.0867992473.

The spelling of 12663479 in words is "twelve million, six hundred sixty-three thousand, four hundred seventy-nine".