13109663 has 8 divisors (see below), whose sum is σ = 15301632. Its totient is φ = 10997496.

The previous prime is 13109659. The next prime is 13109671. The reversal of 13109663 is 36690131.

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 13109663 - 2² = 13109659 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 (13109633) 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, 19595 + ... + 20252.

It is an arithmetic number, because the mean of its divisors is an integer number (1912704).

Almost surely, 2^13109663 is an apocalyptic number.

13109663 is a deficient number, since it is larger than the sum of its proper divisors (2191969).

13109663 is an equidigital number, since it uses as much as digits as its factorization.

13109663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39901.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13109663 is about 3620.7268607284. The cubic root of 13109663 is about 235.7927834932.

Adding to 13109663 its reverse (36690131), we get a palindrome (49799794).

The spelling of 13109663 in words is "thirteen million, one hundred nine thousand, six hundred sixty-three".