13853977 has 2 divisors, whose sum is σ = 13853978. Its totient is φ = 13853976.

The previous prime is 13853971. The next prime is 13853999. The reversal of 13853977 is 77935831.

13853977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13329801 + 524176 = 3651^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 13853977 - 2¹⁵ = 13821209 is a prime.

It is not a weakly prime, because it can be changed into another prime (13853971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6926988 + 6926989.

It is an arithmetic number, because the mean of its divisors is an integer number (6926989).

Almost surely, 2^13853977 is an apocalyptic number.

It is an amenable number.

13853977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13853977 is an equidigital number, since it uses as much as digits as its factorization.

13853977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 13853977 is about 3722.0930939459. The cubic root of 13853977 is about 240.1733527659.

The spelling of 13853977 in words is "thirteen million, eight hundred fifty-three thousand, nine hundred seventy-seven".