11663393 has 8 divisors (see below), whose sum is σ = 13655040. Its totient is φ = 9753120.

The previous prime is 11663371. The next prime is 11663401. The reversal of 11663393 is 39336611.

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 11663393 - 2⁶ = 11663329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11663303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20033 + ... + 20606.

It is an arithmetic number, because the mean of its divisors is an integer number (1706880).

Almost surely, 2^11663393 is an apocalyptic number.

It is an amenable number.

11663393 is a deficient number, since it is larger than the sum of its proper divisors (1991647).

11663393 is an equidigital number, since it uses as much as digits as its factorization.

11663393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40687.

The product of its digits is 8748, while the sum is 32.

The square root of 11663393 is about 3415.1710059673. The cubic root of 11663393 is about 226.7818549001.

The spelling of 11663393 in words is "eleven million, six hundred sixty-three thousand, three hundred ninety-three".