12663707 has 6 divisors (see below), whose sum is σ = 14731308. Its totient is φ = 10854564.

The previous prime is 12663697. The next prime is 12663733. The reversal of 12663707 is 70736621.

It is not a de Polignac number, because 12663707 - 2⁸ = 12663451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12663787) 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 in 5 ways as a sum of consecutive naturals, for example, 129173 + ... + 129270.

It is an arithmetic number, because the mean of its divisors is an integer number (2455218).

Almost surely, 2^12663707 is an apocalyptic number.

12663707 is a deficient number, since it is larger than the sum of its proper divisors (2067601).

12663707 is an equidigital number, since it uses as much as digits as its factorization.

12663707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258457 (or 258450 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 12663707 is about 3558.6102624480. The cubic root of 12663707 is about 233.0881981117.

The spelling of 12663707 in words is "twelve million, six hundred sixty-three thousand, seven hundred seven".