13786369 has 9 divisors (see below), whose sum is σ = 14266497. Its totient is φ = 13322244.

The previous prime is 13786363. The next prime is 13786379. The reversal of 13786369 is 96368731.

The square root of 13786369 is 3713.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 13786369 - 2¹¹ = 13784321 is a prime.

It is a super-2 number, since 2×13786369² = 380127940408322, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (163296) is a multiple of the sum of its prime divisors (126).

It is not an unprimeable number, because it can be changed into a prime (13786363) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 174472 + ... + 174550.

Almost surely, 2^13786369 is an apocalyptic number.

13786369 is the 3713-rd square number.

13786369 is the 1857-th centered octagonal number.

It is an amenable number.

13786369 is a deficient number, since it is larger than the sum of its proper divisors (480128).

13786369 is an frugal number, since it uses more digits than its factorization.

13786369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 126 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The cubic root of 13786369 is about 239.7820301072.

The spelling of 13786369 in words is "thirteen million, seven hundred eighty-six thousand, three hundred sixty-nine".