1340563 has 4 divisors (see below), whose sum is σ = 1532080. Its totient is φ = 1149048.

The previous prime is 1340561. The next prime is 1340587. The reversal of 1340563 is 3650431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340563 - 2¹ = 1340561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340561) 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, 95748 + ... + 95761.

It is an arithmetic number, because the mean of its divisors is an integer number (383020).

2^1340563 is an apocalyptic number.

1340563 is a deficient number, since it is larger than the sum of its proper divisors (191517).

1340563 is an equidigital number, since it uses as much as digits as its factorization.

1340563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191516.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1340563 is about 1157.8268437033. The cubic root of 1340563 is about 110.2628151008.

Adding to 1340563 its reverse (3650431), we get a palindrome (4990994).

The spelling of 1340563 in words is "one million, three hundred forty thousand, five hundred sixty-three".