1382563 has 8 divisors (see below), whose sum is σ = 1701728. Its totient is φ = 1093824.

The previous prime is 1382551. The next prime is 1382567. The reversal of 1382563 is 3652831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382563 is a prime.

It is a super-2 number, since 2×1382563² = 3822960897938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7506 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (212716).

2^1382563 is an apocalyptic number.

1382563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1382563 is a deficient number, since it is larger than the sum of its proper divisors (319165).

1382563 is a wasteful number, since it uses less digits than its factorization.

1382563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15213.

The product of its digits is 4320, while the sum is 28.

The square root of 1382563 is about 1175.8243916504. The cubic root of 1382563 is about 111.4025101852.

It can be divided in two parts, 138 and 2563, that added together give a triangular number (2701 = T₇₃).

The spelling of 1382563 in words is "one million, three hundred eighty-two thousand, five hundred sixty-three".