13838266 has 8 divisors (see below), whose sum is σ = 22354164. Its totient is φ = 6386880.

The previous prime is 13838243. The next prime is 13838267. The reversal of 13838266 is 66283831.

It can be written as a sum of positive squares in 2 ways, for example, as 10055241 + 3783025 = 3171^2 + 1945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13838267) 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, 266095 + ... + 266146.

Almost surely, 2^13838266 is an apocalyptic number.

13838266 is a deficient number, since it is larger than the sum of its proper divisors (8515898).

13838266 is a wasteful number, since it uses less digits than its factorization.

13838266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532256.

The product of its digits is 41472, while the sum is 37.

The square root of 13838266 is about 3719.9819892037. The cubic root of 13838266 is about 240.0825294875.

The spelling of 13838266 in words is "thirteen million, eight hundred thirty-eight thousand, two hundred sixty-six".