13786897 has 2 divisors, whose sum is σ = 13786898. Its totient is φ = 13786896.

The previous prime is 13786891. The next prime is 13786921. The reversal of 13786897 is 79868731.

13786897 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., 13771521 + 15376 = 3711^2 + 124^2 .

It is an emirp because it is prime and its reverse (79868731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13786897 - 2¹⁵ = 13754129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13786897.

It is not a weakly prime, because it can be changed into another prime (13786891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893448 + 6893449.

It is an arithmetic number, because the mean of its divisors is an integer number (6893449).

Almost surely, 2^13786897 is an apocalyptic number.

It is an amenable number.

13786897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13786897 is an equidigital number, since it uses as much as digits as its factorization.

13786897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 49.

The square root of 13786897 is about 3713.0711008544. The cubic root of 13786897 is about 239.7850911814.

The spelling of 13786897 in words is "thirteen million, seven hundred eighty-six thousand, eight hundred ninety-seven".