11967563 has 8 divisors (see below), whose sum is σ = 12363840. Its totient is φ = 11577280.

The previous prime is 11967551. The next prime is 11967583. The reversal of 11967563 is 36576911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11967563 - 2⁶ = 11967499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11967523) 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 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 5613.

It is an arithmetic number, because the mean of its divisors is an integer number (1545480).

Almost surely, 2^11967563 is an apocalyptic number.

11967563 is a deficient number, since it is larger than the sum of its proper divisors (396277).

11967563 is an equidigital number, since it uses as much as digits as its factorization.

11967563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997.

The product of its digits is 34020, while the sum is 38.

The square root of 11967563 is about 3459.4165693076. The cubic root of 11967563 is about 228.7363784975.

The spelling of 11967563 in words is "eleven million, nine hundred sixty-seven thousand, five hundred sixty-three".