13838769 has 20 divisors (see below), whose sum is σ = 23626944. Its totient is φ = 7907544.

The previous prime is 13838753. The next prime is 13838791. The reversal of 13838769 is 96783831.

It is a happy number.

13838769 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13838769 - 2⁴ = 13838753 is a prime.

It is a super-2 number, since 2×13838769² = 383023054870722, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13838269) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11637 + ... + 12770.

Almost surely, 2^13838769 is an apocalyptic number.

It is an amenable number.

13838769 is a deficient number, since it is larger than the sum of its proper divisors (9788175).

13838769 is an equidigital number, since it uses as much as digits as its factorization.

13838769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24426 (or 24417 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13838769 is about 3720.0495964436. The cubic root of 13838769 is about 240.0854383309.

The spelling of 13838769 in words is "thirteen million, eight hundred thirty-eight thousand, seven hundred sixty-nine".