13965685 has 8 divisors (see below), whose sum is σ = 16790400. Its totient is φ = 11151504.

The previous prime is 13965683. The next prime is 13965691. The reversal of 13965685 is 58656931.

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 13965685 - 2¹ = 13965683 is a prime.

It is a super-3 number, since 3×13965685³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13965683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664 + ... + 5326.

It is an arithmetic number, because the mean of its divisors is an integer number (2098800).

Almost surely, 2^13965685 is an apocalyptic number.

It is an amenable number.

13965685 is a deficient number, since it is larger than the sum of its proper divisors (2824715).

13965685 is an equidigital number, since it uses as much as digits as its factorization.

13965685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267.

The product of its digits is 194400, while the sum is 43.

The square root of 13965685 is about 3737.0690386986. The cubic root of 13965685 is about 240.8171509529.

The spelling of 13965685 in words is "thirteen million, nine hundred sixty-five thousand, six hundred eighty-five".