13917065 has 16 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 10866240.

The previous prime is 13917061. The next prime is 13917077. The reversal of 13917065 is 56071931.

13917065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13917065 - 2² = 13917061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13917061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69836 + ... + 70034.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^13917065 is an apocalyptic number.

It is an amenable number.

13917065 is a deficient number, since it is larger than the sum of its proper divisors (3190135).

13917065 is a wasteful number, since it uses less digits than its factorization.

13917065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 13917065 is about 3730.5582692139. The cubic root of 13917065 is about 240.5373665256.

Adding to 13917065 its reverse (56071931), we get a palindrome (69988996).

The spelling of 13917065 in words is "thirteen million, nine hundred seventeen thousand, sixty-five".