13963165 has 8 divisors (see below), whose sum is σ = 17164728. Its totient is φ = 10897920.

The previous prime is 13963133. The next prime is 13963193. The reversal of 13963165 is 56136931.

It can be written as a sum of positive squares in 4 ways, for example, as 80089 + 13883076 = 283^2 + 3726^2 .

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

It is not a de Polignac number, because 13963165 - 2⁵ = 13963133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13963165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33852 + ... + 34261.

It is an arithmetic number, because the mean of its divisors is an integer number (2145591).

Almost surely, 2^13963165 is an apocalyptic number.

It is an amenable number.

13963165 is a deficient number, since it is larger than the sum of its proper divisors (3201563).

13963165 is an equidigital number, since it uses as much as digits as its factorization.

13963165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68159.

The product of its digits is 14580, while the sum is 34.

The square root of 13963165 is about 3736.7318608645. The cubic root of 13963165 is about 240.8026655500.

The spelling of 13963165 in words is "thirteen million, nine hundred sixty-three thousand, one hundred sixty-five".