13887677 has 2 divisors, whose sum is σ = 13887678. Its totient is φ = 13887676.

The previous prime is 13887641. The next prime is 13887683. The reversal of 13887677 is 77678831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13623481 + 264196 = 3691^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 13887677 - 2⁸ = 13887421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13887977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6943838 + 6943839.

It is an arithmetic number, because the mean of its divisors is an integer number (6943839).

Almost surely, 2^13887677 is an apocalyptic number.

It is an amenable number.

13887677 is a deficient number, since it is larger than the sum of its proper divisors (1).

13887677 is an equidigital number, since it uses as much as digits as its factorization.

13887677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 47.

The square root of 13887677 is about 3726.6173669965. The cubic root of 13887677 is about 240.3679367963.

The spelling of 13887677 in words is "thirteen million, eight hundred eighty-seven thousand, six hundred seventy-seven".