12678082 has 4 divisors (see below), whose sum is σ = 19017126. Its totient is φ = 6339040.

The previous prime is 12678079. The next prime is 12678089. The reversal of 12678082 is 28087621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8520561 + 4157521 = 2919^2 + 2039^2 .

It is not an unprimeable number, because it can be changed into a prime (12678089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169519 + ... + 3169522.

Almost surely, 2^12678082 is an apocalyptic number.

12678082 is a deficient number, since it is larger than the sum of its proper divisors (6339044).

12678082 is an equidigital number, since it uses as much as digits as its factorization.

12678082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339043.

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

The square root of 12678082 is about 3560.6294387369. The cubic root of 12678082 is about 233.1763601809.

The spelling of 12678082 in words is "twelve million, six hundred seventy-eight thousand, eighty-two".