1382603 has 4 divisors (see below), whose sum is σ = 1386168. Its totient is φ = 1379040.

The previous prime is 1382597. The next prime is 1382609. The reversal of 1382603 is 3062831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3062831 = 31 ⋅98801.

It is an interprime number because it is at equal distance from previous prime (1382597) and next prime (1382609).

It is a cyclic number.

It is not a de Polignac number, because 1382603 - 2¹⁶ = 1317067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (346542).

2^1382603 is an apocalyptic number.

1382603 is a deficient number, since it is larger than the sum of its proper divisors (3565).

1382603 is an equidigital number, since it uses as much as digits as its factorization.

1382603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1382603 is about 1175.8414008700. The cubic root of 1382603 is about 111.4035845323.

The spelling of 1382603 in words is "one million, three hundred eighty-two thousand, six hundred three".