13666303 has 8 divisors (see below), whose sum is σ = 15982208. Its totient is φ = 11441304.

The previous prime is 13666297. The next prime is 13666309. The reversal of 13666303 is 30366631.

It is an interprime number because it is at equal distance from previous prime (13666297) and next prime (13666309).

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

It is not a de Polignac number, because 13666303 - 2⁵ = 13666271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13666309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22401 + ... + 23002.

It is an arithmetic number, because the mean of its divisors is an integer number (1997776).

Almost surely, 2^13666303 is an apocalyptic number.

13666303 is a deficient number, since it is larger than the sum of its proper divisors (2315905).

13666303 is an equidigital number, since it uses as much as digits as its factorization.

13666303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45453.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 13666303 is about 3696.7963157307. The cubic root of 13666303 is about 239.0839093105.

The spelling of 13666303 in words is "thirteen million, six hundred sixty-six thousand, three hundred three".