1304678 has 4 divisors (see below), whose sum is σ = 1957020. Its totient is φ = 652338.

The previous prime is 1304669. The next prime is 1304687. The reversal of 1304678 is 8764031.

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

It is an interprime number because it is at equal distance from previous prime (1304669) and next prime (1304687).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304678.

It is a congruent number.

It is an unprimeable number.

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, 326168 + ... + 326171.

It is an arithmetic number, because the mean of its divisors is an integer number (489255).

2^1304678 is an apocalyptic number.

1304678 is a deficient number, since it is larger than the sum of its proper divisors (652342).

1304678 is an equidigital number, since it uses as much as digits as its factorization.

1304678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652341.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1304678 is about 1142.2250216135. The cubic root of 1304678 is about 109.2700427701.

The spelling of 1304678 in words is "one million, three hundred four thousand, six hundred seventy-eight".