1349563 has 4 divisors (see below), whose sum is σ = 1352160. Its totient is φ = 1346968.

The previous prime is 1349533. The next prime is 1349651. The reversal of 1349563 is 3659431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3659431 = 523 ⋅6997.

It is a cyclic number.

It is not a de Polignac number, because 1349563 - 2⁵ = 1349531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (338040).

2^1349563 is an apocalyptic number.

1349563 is a deficient number, since it is larger than the sum of its proper divisors (2597).

1349563 is an equidigital number, since it uses as much as digits as its factorization.

1349563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its digits is 9720, while the sum is 31.

The square root of 1349563 is about 1161.7069337832. The cubic root of 1349563 is about 110.5090183258.

The spelling of 1349563 in words is "one million, three hundred forty-nine thousand, five hundred sixty-three".