1312684 has 6 divisors (see below), whose sum is σ = 2297204. Its totient is φ = 656340.

The previous prime is 1312681. The next prime is 1312733. The reversal of 1312684 is 4862131.

It is not an unprimeable number, because it can be changed into a prime (1312681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164082 + ... + 164089.

2^1312684 is an apocalyptic number.

It is an amenable number.

1312684 is a deficient number, since it is larger than the sum of its proper divisors (984520).

1312684 is a wasteful number, since it uses less digits than its factorization.

1312684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328175 (or 328173 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1312684 is about 1145.7242251083. The cubic root of 1312684 is about 109.4930946487.

The spelling of 1312684 in words is "one million, three hundred twelve thousand, six hundred eighty-four".