13738369 has 4 divisors (see below), whose sum is σ = 13788244. Its totient is φ = 13688496.

The previous prime is 13738367. The next prime is 13738391. The reversal of 13738369 is 96383731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1404225 + 12334144 = 1185^2 + 3512^2 .

It is a cyclic number.

It is not a de Polignac number, because 13738369 - 2¹ = 13738367 is a prime.

It is a super-2 number, since 2×13738369² = 377485565560322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13738367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24522 + ... + 25075.

It is an arithmetic number, because the mean of its divisors is an integer number (3447061).

Almost surely, 2^13738369 is an apocalyptic number.

It is an amenable number.

13738369 is a deficient number, since it is larger than the sum of its proper divisors (49875).

13738369 is an equidigital number, since it uses as much as digits as its factorization.

13738369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49874.

The product of its digits is 81648, while the sum is 40.

The square root of 13738369 is about 3706.5305880297. The cubic root of 13738369 is about 239.5034234891.

The spelling of 13738369 in words is "thirteen million, seven hundred thirty-eight thousand, three hundred sixty-nine".