13886838 has 48 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 3943728.

The previous prime is 13886837. The next prime is 13886839. The reversal of 13886838 is 83868831.

It is an interprime number because it is at equal distance from previous prime (13886837) and next prime (13886839).

It is a junction number, because it is equal to n+sod(n) for n = 13886793 and 13886802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13886837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38503 + ... + 38861.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 2^13886838 is an apocalyptic number.

13886838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13886838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17297280).

13886838 is an abundant number, since it is smaller than the sum of its proper divisors (20707722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13886838 is a wasteful number, since it uses less digits than its factorization.

13886838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 13886838 is about 3726.5047967231. The cubic root of 13886838 is about 240.3630962277.

The spelling of 13886838 in words is "thirteen million, eight hundred eighty-six thousand, eight hundred thirty-eight".