1305339 has 16 divisors (see below), whose sum is σ = 2023680. Its totient is φ = 732960.

The previous prime is 1305307. The next prime is 1305371. The reversal of 1305339 is 9335031.

It is an interprime number because it is at equal distance from previous prime (1305307) and next prime (1305371).

It is not a de Polignac number, because 1305339 - 2⁵ = 1305307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772 + ... + 1790.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

2^1305339 is an apocalyptic number.

1305339 is a deficient number, since it is larger than the sum of its proper divisors (718341).

1305339 is a wasteful number, since it uses less digits than its factorization.

1305339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 1305339 is about 1142.5143325140. The cubic root of 1305339 is about 109.2884931218.

The spelling of 1305339 in words is "one million, three hundred five thousand, three hundred thirty-nine".