2012678 has 4 divisors (see below), whose sum is σ = 3019020. Its totient is φ = 1006338.

The previous prime is 2012677. The next prime is 2012693. The reversal of 2012678 is 8762102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8762102 = 2 ⋅4381051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012671) 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, 503168 + ... + 503171.

It is an arithmetic number, because the mean of its divisors is an integer number (754755).

2^2012678 is an apocalyptic number.

2012678 is a deficient number, since it is larger than the sum of its proper divisors (1006342).

2012678 is a wasteful number, since it uses less digits than its factorization.

2012678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006341.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2012678 is about 1418.6888312805. The cubic root of 2012678 is about 126.2577657544.

The spelling of 2012678 in words is "two million, twelve thousand, six hundred seventy-eight".