1306066 has 4 divisors (see below), whose sum is σ = 1959102. Its totient is φ = 653032.

The previous prime is 1306051. The next prime is 1306069. The reversal of 1306066 is 6606031.

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

It can be written as a sum of positive squares in only one way, i.e., 674041 + 632025 = 821^2 + 795^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1306069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326515 + ... + 326518.

2^1306066 is an apocalyptic number.

1306066 is a deficient number, since it is larger than the sum of its proper divisors (653036).

1306066 is an equidigital number, since it uses as much as digits as its factorization.

1306066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653035.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1306066 is about 1142.8324461617. The cubic root of 1306066 is about 109.3087785263.

The spelling of 1306066 in words is "one million, three hundred six thousand, sixty-six".