13685941 has 4 divisors (see below), whose sum is σ = 14157900. Its totient is φ = 13213984.

The previous prime is 13685939. The next prime is 13685957. The reversal of 13685941 is 14958631.

13685941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14958631 = 199 ⋅75169.

It can be written as a sum of positive squares in 2 ways, for example, as 11029041 + 2656900 = 3321^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 13685941 - 2¹ = 13685939 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 13685941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235936 + ... + 235993.

It is an arithmetic number, because the mean of its divisors is an integer number (3539475).

Almost surely, 2^13685941 is an apocalyptic number.

It is an amenable number.

13685941 is a deficient number, since it is larger than the sum of its proper divisors (471959).

13685941 is an equidigital number, since it uses as much as digits as its factorization.

13685941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471958.

The product of its digits is 25920, while the sum is 37.

The square root of 13685941 is about 3699.4514458227. The cubic root of 13685941 is about 239.1983729098.

It can be divided in two parts, 136859 and 41, that added together give a square (136900 = 370²).

The spelling of 13685941 in words is "thirteen million, six hundred eighty-five thousand, nine hundred forty-one".