1270684 has 6 divisors (see below), whose sum is σ = 2223704. Its totient is φ = 635340.

The previous prime is 1270679. The next prime is 1270747. The reversal of 1270684 is 4860721.

It is a super-2 number, since 2×1270684² = 3229275655712, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 158832 + ... + 158839.

2^1270684 is an apocalyptic number.

It is an amenable number.

1270684 is a deficient number, since it is larger than the sum of its proper divisors (953020).

1270684 is a wasteful number, since it uses less digits than its factorization.

1270684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317675 (or 317673 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1270684 is about 1127.2462020340. The cubic root of 1270684 is about 108.3126514102.

The spelling of 1270684 in words is "one million, two hundred seventy thousand, six hundred eighty-four".