13663163 has 4 divisors (see below), whose sum is σ = 13707408. Its totient is φ = 13618920.

The previous prime is 13663159. The next prime is 13663183. The reversal of 13663163 is 36136631.

13663163 = T₁₂₇ + T₁₂₈ + ... + T₄₃₇.

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 13663163 - 2² = 13663159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13663123) 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, 21656 + ... + 22277.

It is an arithmetic number, because the mean of its divisors is an integer number (3426852).

Almost surely, 2^13663163 is an apocalyptic number.

13663163 is a deficient number, since it is larger than the sum of its proper divisors (44245).

13663163 is an equidigital number, since it uses as much as digits as its factorization.

13663163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44244.

The product of its digits is 5832, while the sum is 29.

The square root of 13663163 is about 3696.3715992849. The cubic root of 13663163 is about 239.0655970920.

Adding to 13663163 its reverse (36136631), we get a palindrome (49799794).

The spelling of 13663163 in words is "thirteen million, six hundred sixty-three thousand, one hundred sixty-three".