12678208 has 14 divisors (see below), whose sum is σ = 25158446. Its totient is φ = 6339072.

The previous prime is 12678199. The next prime is 12678223. The reversal of 12678208 is 80287621.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 61504 = 3552^2 + 248^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98985 + ... + 99112.

Almost surely, 2^12678208 is an apocalyptic number.

It is an amenable number.

12678208 is a deficient number, since it is larger than the sum of its proper divisors (12480238).

12678208 is an equidigital number, since it uses as much as digits as its factorization.

12678208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198109 (or 198099 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 12678208 is about 3560.6471321938. The cubic root of 12678208 is about 233.1771326459.

The spelling of 12678208 in words is "twelve million, six hundred seventy-eight thousand, two hundred eight".