13685741 has 2 divisors, whose sum is σ = 13685742. Its totient is φ = 13685740.

The previous prime is 13685717. The next prime is 13685773. The reversal of 13685741 is 14758631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 1755625 = 3454^2 + 1325^2 .

It is an emirp because it is prime and its reverse (14758631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13685741 - 2¹⁰ = 13684717 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₈₉₀₉₇₂ and since 13685741 and 890972 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13685141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6842870 + 6842871.

It is an arithmetic number, because the mean of its divisors is an integer number (6842871).

Almost surely, 2^13685741 is an apocalyptic number.

It is an amenable number.

13685741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13685741 is an equidigital number, since it uses as much as digits as its factorization.

13685741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 13685741 is about 3699.4244146894. The cubic root of 13685741 is about 239.1972077261.

The spelling of 13685741 in words is "thirteen million, six hundred eighty-five thousand, seven hundred forty-one".