1305266 has 8 divisors (see below), whose sum is σ = 1967004. Its totient is φ = 649600.

The previous prime is 1305253. The next prime is 1305287. The reversal of 1305266 is 6625031.

It can be written as a sum of positive squares in 2 ways, for example, as 1274641 + 30625 = 1129^2 + 175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935 + ... + 1866.

2^1305266 is an apocalyptic number.

1305266 is a deficient number, since it is larger than the sum of its proper divisors (661738).

1305266 is a wasteful number, since it uses less digits than its factorization.

1305266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1305266 is about 1142.4823849846. The cubic root of 1305266 is about 109.2864557944.

The spelling of 1305266 in words is "one million, three hundred five thousand, two hundred sixty-six".