1305064 has 16 divisors (see below), whose sum is σ = 2513700. Its totient is φ = 634752.

The previous prime is 1305061. The next prime is 1305097. The reversal of 1305064 is 4605031.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 900 = 1142^2 + 30^2 .

It is not an unprimeable number, because it can be changed into a prime (1305061) 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, 1909 + ... + 2500.

2^1305064 is an apocalyptic number.

It is an amenable number.

1305064 is a deficient number, since it is larger than the sum of its proper divisors (1208636).

1305064 is a wasteful number, since it uses less digits than its factorization.

1305064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452 (or 4448 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1305064 is about 1142.3939775752. The cubic root of 1305064 is about 109.2808178624.

The spelling of 1305064 in words is "one million, three hundred five thousand, sixty-four".