12663960 has 32 divisors (see below), whose sum is σ = 37992240. Its totient is φ = 3377024.

The previous prime is 12663949. The next prime is 12663971. The reversal of 12663960 is 6936621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12663949) and next prime (12663971).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52647 + ... + 52886.

Almost surely, 2^12663960 is an apocalyptic number.

12663960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12663960 is an abundant number, since it is smaller than the sum of its proper divisors (25328280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12663960 is a wasteful number, since it uses less digits than its factorization.

12663960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105547 (or 105543 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 12663960 is about 3558.6458098552. The cubic root of 12663960 is about 233.0897503407.

The spelling of 12663960 in words is "twelve million, six hundred sixty-three thousand, nine hundred sixty".