13438238 has 8 divisors (see below), whose sum is σ = 21989880. Its totient is φ = 6108280.

The previous prime is 13438219. The next prime is 13438259. The reversal of 13438238 is 83283431.

It is a happy number.

13438238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305393 + ... + 305436.

It is an arithmetic number, because the mean of its divisors is an integer number (2748735).

Almost surely, 2^13438238 is an apocalyptic number.

13438238 is a deficient number, since it is larger than the sum of its proper divisors (8551642).

13438238 is a wasteful number, since it uses less digits than its factorization.

13438238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610842.

The product of its digits is 13824, while the sum is 32.

The square root of 13438238 is about 3665.8202356362. The cubic root of 13438238 is about 237.7464875865.

The spelling of 13438238 in words is "thirteen million, four hundred thirty-eight thousand, two hundred thirty-eight".