13806577 has 2 divisors, whose sum is σ = 13806578. Its totient is φ = 13806576.

The previous prime is 13806571. The next prime is 13806607. The reversal of 13806577 is 77560831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12952801 + 853776 = 3599^2 + 924^2 .

It is a cyclic number.

It is not a de Polignac number, because 13806577 - 2¹¹ = 13804529 is a prime.

It is not a weakly prime, because it can be changed into another prime (13806571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903288 + 6903289.

It is an arithmetic number, because the mean of its divisors is an integer number (6903289).

Almost surely, 2^13806577 is an apocalyptic number.

It is an amenable number.

13806577 is a deficient number, since it is larger than the sum of its proper divisors (1).

13806577 is an equidigital number, since it uses as much as digits as its factorization.

13806577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 13806577 is about 3715.7202531945. The cubic root of 13806577 is about 239.8991300649.

The spelling of 13806577 in words is "thirteen million, eight hundred six thousand, five hundred seventy-seven".