13318963 has 8 divisors (see below), whose sum is σ = 15256832. Its totient is φ = 11389896.

The previous prime is 13318957. The next prime is 13318969. The reversal of 13318963 is 36981331.

13318963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13318957) and next prime (13318969).

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

It is not a de Polignac number, because 13318963 - 2⁹ = 13318451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13318969) 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, 1456 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (1907104).

Almost surely, 2^13318963 is an apocalyptic number.

13318963 is a deficient number, since it is larger than the sum of its proper divisors (1937869).

13318963 is an equidigital number, since it uses as much as digits as its factorization.

13318963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401.

The product of its digits is 11664, while the sum is 34.

The square root of 13318963 is about 3649.5154472889. The cubic root of 13318963 is about 237.0410001052.

The spelling of 13318963 in words is "thirteen million, three hundred eighteen thousand, nine hundred sixty-three".