13838231 has 8 divisors (see below), whose sum is σ = 15145104. Its totient is φ = 12539520.

The previous prime is 13838207. The next prime is 13838243. The reversal of 13838231 is 13283831.

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

It is a cyclic number.

It is not a de Polignac number, because 13838231 - 2¹⁰ = 13837207 is a prime.

It is a super-2 number, since 2×13838231² = 382993274418722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13838194 and 13838203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13838291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841 + ... + 5573.

It is an arithmetic number, because the mean of its divisors is an integer number (1893138).

Almost surely, 2^13838231 is an apocalyptic number.

13838231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13838231 is a deficient number, since it is larger than the sum of its proper divisors (1306873).

13838231 is a wasteful number, since it uses less digits than its factorization.

13838231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081.

The product of its digits is 3456, while the sum is 29.

The square root of 13838231 is about 3719.9772848769. The cubic root of 13838231 is about 240.0823270802.

The spelling of 13838231 in words is "thirteen million, eight hundred thirty-eight thousand, two hundred thirty-one".