12663416 has 8 divisors (see below), whose sum is σ = 23743920. Its totient is φ = 6331704.

The previous prime is 12663403. The next prime is 12663433. The reversal of 12663416 is 61436621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 791456 + ... + 791471.

It is an arithmetic number, because the mean of its divisors is an integer number (2967990).

Almost surely, 2^12663416 is an apocalyptic number.

It is an amenable number.

12663416 is a deficient number, since it is larger than the sum of its proper divisors (11080504).

12663416 is a wasteful number, since it uses less digits than its factorization.

12663416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582933 (or 1582929 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 12663416 is about 3558.5693754654. The cubic root of 12663416 is about 233.0864127160.

The spelling of 12663416 in words is "twelve million, six hundred sixty-three thousand, four hundred sixteen".