13936065 has 64 divisors (see below), whose sum is σ = 26853120. Its totient is φ = 6082560.

The previous prime is 13936061. The next prime is 13936079. The reversal of 13936065 is 56063931.

It is not a de Polignac number, because 13936065 - 2² = 13936061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13936061) 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 63 ways as a sum of consecutive naturals, for example, 156541 + ... + 156629.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^13936065 is an apocalyptic number.

13936065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13936065 is a deficient number, since it is larger than the sum of its proper divisors (12917055).

13936065 is a wasteful number, since it uses less digits than its factorization.

13936065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 13936065 is about 3733.1039364047. The cubic root of 13936065 is about 240.6467797231.

Adding to 13936065 its reverse (56063931), we get a palindrome (69999996).

The spelling of 13936065 in words is "thirteen million, nine hundred thirty-six thousand, sixty-five".