13351563 has 6 divisors (see below), whose sum is σ = 19285604. Its totient is φ = 8901036.

The previous prime is 13351549. The next prime is 13351573. The reversal of 13351563 is 36515331.

It is not a de Polignac number, because 13351563 - 2¹³ = 13343371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13351573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741745 + ... + 741762.

Almost surely, 2^13351563 is an apocalyptic number.

13351563 is a deficient number, since it is larger than the sum of its proper divisors (5934041).

13351563 is a wasteful number, since it uses less digits than its factorization.

13351563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483513 (or 1483510 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 13351563 is about 3653.9790639794. The cubic root of 13351563 is about 237.2342393843.

Adding to 13351563 its reverse (36515331), we get a palindrome (49866894).

The spelling of 13351563 in words is "thirteen million, three hundred fifty-one thousand, five hundred sixty-three".