1382681 has 2 divisors, whose sum is σ = 1382682. Its totient is φ = 1382680.

The previous prime is 1382677. The next prime is 1382753. The reversal of 1382681 is 1862831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 259081 = 1060^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1382681 - 2² = 1382677 is a prime.

It is a super-2 number, since 2×1382681² = 3823613495522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1382621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691340 + 691341.

It is an arithmetic number, because the mean of its divisors is an integer number (691341).

2^1382681 is an apocalyptic number.

It is an amenable number.

1382681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382681 is an equidigital number, since it uses as much as digits as its factorization.

1382681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 1382681 is about 1175.8745681407. The cubic root of 1382681 is about 111.4056794494.

The spelling of 1382681 in words is "one million, three hundred eighty-two thousand, six hundred eighty-one".