1304973 has 12 divisors (see below), whose sum is σ = 1916668. Its totient is φ = 855360.

The previous prime is 1304969. The next prime is 1304981. The reversal of 1304973 is 3794031.

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 1077444 = 477^2 + 1038^2 .

It is not a de Polignac number, because 1304973 - 2² = 1304969 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

1304973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640 + ... + 1737.

2^1304973 is an apocalyptic number.

It is an amenable number.

1304973 is a deficient number, since it is larger than the sum of its proper divisors (611695).

1304973 is a wasteful number, since it uses less digits than its factorization.

1304973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1304973 is about 1142.3541482395. The cubic root of 1304973 is about 109.2782778119.

The spelling of 1304973 in words is "one million, three hundred four thousand, nine hundred seventy-three".