12870008 has 8 divisors (see below), whose sum is σ = 24131280. Its totient is φ = 6435000.

The previous prime is 12870007. The next prime is 12870017. The reversal of 12870008 is 80007821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804368 + ... + 804383.

It is an arithmetic number, because the mean of its divisors is an integer number (3016410).

Almost surely, 2^12870008 is an apocalyptic number.

It is an amenable number.

12870008 is a deficient number, since it is larger than the sum of its proper divisors (11261272).

12870008 is a wasteful number, since it uses less digits than its factorization.

12870008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608757 (or 1608753 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 12870008 is about 3587.4793379196. The cubic root of 12870008 is about 234.3471118936.

Adding to 12870008 its reverse (80007821), we get a palindrome (92877829).

The spelling of 12870008 in words is "twelve million, eight hundred seventy thousand, eight".