1306682 has 16 divisors (see below), whose sum is σ = 2184840. Its totient is φ = 581952.

The previous prime is 1306667. The next prime is 1306691. The reversal of 1306682 is 2866031.

It can be written as a sum of positive squares in 4 ways, for example, as 885481 + 421201 = 941^2 + 649^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113 + ... + 1620.

2^1306682 is an apocalyptic number.

1306682 is a deficient number, since it is larger than the sum of its proper divisors (878158).

1306682 is a wasteful number, since it uses less digits than its factorization.

1306682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1306682 is about 1143.1019202153. The cubic root of 1306682 is about 109.3259608189.

The spelling of 1306682 in words is "one million, three hundred six thousand, six hundred eighty-two".