12887968 has 24 divisors (see below), whose sum is σ = 25456032. Its totient is φ = 6422976.

The previous prime is 12887933. The next prime is 12887993. The reversal of 12887968 is 86978821.

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, 15171 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (1060668).

Almost surely, 2^12887968 is an apocalyptic number.

It is an amenable number.

12887968 is a deficient number, since it is larger than the sum of its proper divisors (12568064).

12887968 is an equidigital number, since it uses as much as digits as its factorization.

12887968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1316 counting only the distinct ones).

The product of its digits is 387072, while the sum is 49.

The square root of 12887968 is about 3589.9816155518. The cubic root of 12887968 is about 234.4560711066.

The spelling of 12887968 in words is "twelve million, eight hundred eighty-seven thousand, nine hundred sixty-eight".