12663914 has 4 divisors (see below), whose sum is σ = 18995874. Its totient is φ = 6331956.

The previous prime is 12663913. The next prime is 12663919. The reversal of 12663914 is 41936621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41936621 = 53 ⋅791257.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 588289 = 3475^2 + 767^2 .

It is not an unprimeable number, because it can be changed into a prime (12663913) 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, 3165977 + ... + 3165980.

Almost surely, 2^12663914 is an apocalyptic number.

12663914 is a deficient number, since it is larger than the sum of its proper divisors (6331960).

12663914 is an equidigital number, since it uses as much as digits as its factorization.

12663914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331959.

The product of its digits is 7776, while the sum is 32.

The square root of 12663914 is about 3558.6393467167. The cubic root of 12663914 is about 233.0894681188.

The spelling of 12663914 in words is "twelve million, six hundred sixty-three thousand, nine hundred fourteen".