1304693 has 4 divisors (see below), whose sum is σ = 1405068. Its totient is φ = 1204320.

The previous prime is 1304687. The next prime is 1304707. The reversal of 1304693 is 3964031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 174724 + 1129969 = 418^2 + 1063^2 .

It is not a de Polignac number, because 1304693 - 2¹⁰ = 1303669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50168 + ... + 50193.

It is an arithmetic number, because the mean of its divisors is an integer number (351267).

2^1304693 is an apocalyptic number.

1304693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1304693 is a deficient number, since it is larger than the sum of its proper divisors (100375).

1304693 is a wasteful number, since it uses less digits than its factorization.

1304693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100374.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1304693 is about 1142.2315877264. The cubic root of 1304693 is about 109.2704615310.

The spelling of 1304693 in words is "one million, three hundred four thousand, six hundred ninety-three".