12663544 has 16 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 6266112.

The previous prime is 12663493. The next prime is 12663569. The reversal of 12663544 is 44536621.

12663544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7384 + ... + 8935.

It is an arithmetic number, because the mean of its divisors is an integer number (1499400).

Almost surely, 2^12663544 is an apocalyptic number.

It is an amenable number.

12663544 is a deficient number, since it is larger than the sum of its proper divisors (11326856).

12663544 is a wasteful number, since it uses less digits than its factorization.

12663544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16422 (or 16418 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 12663544 is about 3558.5873601754. The cubic root of 12663544 is about 233.0871980480.

The spelling of 12663544 in words is "twelve million, six hundred sixty-three thousand, five hundred forty-four".