1304870 has 24 divisors (see below), whose sum is σ = 2733264. Its totient is φ = 447216.

The previous prime is 1304867. The next prime is 1304887. The reversal of 1304870 is 784031.

It is a happy number.

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 in 11 ways as a sum of consecutive naturals, for example, 842 + ... + 1821.

It is an arithmetic number, because the mean of its divisors is an integer number (113886).

2^1304870 is an apocalyptic number.

1304870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304870 is an abundant number, since it is smaller than the sum of its proper divisors (1428394).

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

1304870 is a wasteful number, since it uses less digits than its factorization.

1304870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1304870 is about 1142.3090650082. The cubic root of 1304870 is about 109.2754026671.

The spelling of 1304870 in words is "one million, three hundred four thousand, eight hundred seventy".