13685938 has 8 divisors (see below), whose sum is σ = 23461632. Its totient is φ = 5865396.

The previous prime is 13685933. The next prime is 13685939. The reversal of 13685938 is 83958631.

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

It is a junction number, because it is equal to n+sod(n) for n = 13685894 and 13685903.

It is not an unprimeable number, because it can be changed into a prime (13685933) 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 3 ways as a sum of consecutive naturals, for example, 488770 + ... + 488797.

It is an arithmetic number, because the mean of its divisors is an integer number (2932704).

Almost surely, 2^13685938 is an apocalyptic number.

13685938 is a deficient number, since it is larger than the sum of its proper divisors (9775694).

13685938 is an equidigital number, since it uses as much as digits as its factorization.

13685938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977576.

The product of its digits is 155520, while the sum is 43.

The square root of 13685938 is about 3699.4510403572. The cubic root of 13685938 is about 239.1983554321.

The spelling of 13685938 in words is "thirteen million, six hundred eighty-five thousand, nine hundred thirty-eight".