13765841 has 2 divisors, whose sum is σ = 13765842. Its totient is φ = 13765840.

The previous prime is 13765819. The next prime is 13765853. The reversal of 13765841 is 14856731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13719616 + 46225 = 3704^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 13765841 - 2⁶ = 13765777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13765811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6882920 + 6882921.

It is an arithmetic number, because the mean of its divisors is an integer number (6882921).

Almost surely, 2^13765841 is an apocalyptic number.

It is an amenable number.

13765841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13765841 is an equidigital number, since it uses as much as digits as its factorization.

13765841 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 13765841 is about 3710.2346286994. The cubic root of 13765841 is about 239.6629586141.

The spelling of 13765841 in words is "thirteen million, seven hundred sixty-five thousand, eight hundred forty-one".