1382665 has 16 divisors (see below), whose sum is σ = 1742400. Its totient is φ = 1052352.

The previous prime is 1382663. The next prime is 1382671. The reversal of 1382665 is 5662831.

It is a cyclic number.

It is not a de Polignac number, because 1382665 - 2¹ = 1382663 is a prime.

Its product of digits (8640) is a multiple of the sum of its prime divisors (216).

It is not an unprimeable number, because it can be changed into a prime (1382663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12631 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (108900).

2^1382665 is an apocalyptic number.

It is an amenable number.

1382665 is a deficient number, since it is larger than the sum of its proper divisors (359735).

1382665 is a wasteful number, since it uses less digits than its factorization.

1382665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

The product of its digits is 8640, while the sum is 31.

The square root of 1382665 is about 1175.8677646742. The cubic root of 1382665 is about 111.4052497292.

The spelling of 1382665 in words is "one million, three hundred eighty-two thousand, six hundred sixty-five".