13685441 has 16 divisors (see below), whose sum is σ = 17262720. Its totient is φ = 10538880.

The previous prime is 13685423. The next prime is 13685461. The reversal of 13685441 is 14458631.

It is not a de Polignac number, because 13685441 - 2¹⁰ = 13684417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13685398 and 13685407.

It is not an unprimeable number, because it can be changed into a prime (13685401) 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, 5855 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (1078920).

Almost surely, 2^13685441 is an apocalyptic number.

13685441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13685441 is a deficient number, since it is larger than the sum of its proper divisors (3577279).

13685441 is a wasteful number, since it uses less digits than its factorization.

13685441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its digits is 11520, while the sum is 32.

The square root of 13685441 is about 3699.3838676190. The cubic root of 13685441 is about 239.1954599292.

The spelling of 13685441 in words is "thirteen million, six hundred eighty-five thousand, four hundred forty-one".