1345563 has 12 divisors (see below), whose sum is σ = 1985568. Its totient is φ = 877680.

The previous prime is 1345559. The next prime is 1345577. The reversal of 1345563 is 3655431.

It is not a de Polignac number, because 1345563 - 2² = 1345559 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

1345563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1345583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (165464).

2^1345563 is an apocalyptic number.

1345563 is a deficient number, since it is larger than the sum of its proper divisors (640005).

1345563 is a wasteful number, since it uses less digits than its factorization.

1345563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234 (or 3231 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 1345563 is about 1159.9840516145. The cubic root of 1345563 is about 110.3997302293.

The spelling of 1345563 in words is "one million, three hundred forty-five thousand, five hundred sixty-three".