12687008 has 24 divisors (see below), whose sum is σ = 25109280. Its totient is φ = 6310080.

The previous prime is 12687001. The next prime is 12687011. The reversal of 12687008 is 80078621.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (12687001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5813 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (1046220).

Almost surely, 2^12687008 is an apocalyptic number.

It is an amenable number.

12687008 is a deficient number, since it is larger than the sum of its proper divisors (12422272).

12687008 is a wasteful number, since it uses less digits than its factorization.

12687008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 12687008 is about 3561.8826482634. The cubic root of 12687008 is about 233.2310699266.

The spelling of 12687008 in words is "twelve million, six hundred eighty-seven thousand, eight".