1306684 has 24 divisors (see below), whose sum is σ = 2395008. Its totient is φ = 623280.

The previous prime is 1306667. The next prime is 1306691. The reversal of 1306684 is 4866031.

It is a congruent number.

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, 12159 + ... + 12265.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1306684 is an apocalyptic number.

It is an amenable number.

1306684 is a deficient number, since it is larger than the sum of its proper divisors (1088324).

1306684 is a wasteful number, since it uses less digits than its factorization.

1306684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1306684 is about 1143.1027950276. The cubic root of 1306684 is about 109.3260165968.

The spelling of 1306684 in words is "one million, three hundred six thousand, six hundred eighty-four".