12969563 has 4 divisors (see below), whose sum is σ = 13387968. Its totient is φ = 12551160.

The previous prime is 12969559. The next prime is 12969587. The reversal of 12969563 is 36596921.

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 12969563 - 2² = 12969559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12969563.

It is not an unprimeable number, because it can be changed into a prime (12969553) 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, 209156 + ... + 209217.

It is an arithmetic number, because the mean of its divisors is an integer number (3346992).

Almost surely, 2^12969563 is an apocalyptic number.

12969563 is a deficient number, since it is larger than the sum of its proper divisors (418405).

12969563 is an equidigital number, since it uses as much as digits as its factorization.

12969563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418404.

The product of its digits is 87480, while the sum is 41.

The square root of 12969563 is about 3601.3279495208. The cubic root of 12969563 is about 234.9498187706.

The spelling of 12969563 in words is "twelve million, nine hundred sixty-nine thousand, five hundred sixty-three".