11943663 has 8 divisors (see below), whose sum is σ = 16046976. Its totient is φ = 7901400.

The previous prime is 11943653. The next prime is 11943667. The reversal of 11943663 is 36634911.

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

It is not a de Polignac number, because 11943663 - 2⁶ = 11943599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11943667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14803 + ... + 15588.

It is an arithmetic number, because the mean of its divisors is an integer number (2005872).

Almost surely, 2^11943663 is an apocalyptic number.

11943663 is a deficient number, since it is larger than the sum of its proper divisors (4103313).

11943663 is a wasteful number, since it uses less digits than its factorization.

11943663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30525.

The product of its digits is 11664, while the sum is 33.

The square root of 11943663 is about 3455.9605032465. The cubic root of 11943663 is about 228.5840098915.

The spelling of 11943663 in words is "eleven million, nine hundred forty-three thousand, six hundred sixty-three".