12678536 has 16 divisors (see below), whose sum is σ = 25601100. Its totient is φ = 5851584.

The previous prime is 12678527. The next prime is 12678557. The reversal of 12678536 is 63587621.

It can be written as a sum of positive squares in 2 ways, for example, as 12180100 + 498436 = 3490^2 + 706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12678536.

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, 60851 + ... + 61058.

Almost surely, 2^12678536 is an apocalyptic number.

It is an amenable number.

12678536 is an abundant number, since it is smaller than the sum of its proper divisors (12922564).

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

12678536 is a wasteful number, since it uses less digits than its factorization.

12678536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121928 (or 121924 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 12678536 is about 3560.6931909391. The cubic root of 12678536 is about 233.1791434832.

The spelling of 12678536 in words is "twelve million, six hundred seventy-eight thousand, five hundred thirty-six".