1382705 has 8 divisors (see below), whose sum is σ = 1672704. Its totient is φ = 1097200.

The previous prime is 1382681. The next prime is 1382753. The reversal of 1382705 is 5072831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1382705 - 2⁸ = 1382449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (209088).

2^1382705 is an apocalyptic number.

It is an amenable number.

1382705 is a deficient number, since it is larger than the sum of its proper divisors (289999).

1382705 is a wasteful number, since it uses less digits than its factorization.

1382705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1382705 is about 1175.8847732665. The cubic root of 1382705 is about 111.4063240234.

The spelling of 1382705 in words is "one million, three hundred eighty-two thousand, seven hundred five".