13882638 has 64 divisors (see below), whose sum is σ = 35020800. Its totient is φ = 3564000.

The previous prime is 13882613. The next prime is 13882643. The reversal of 13882638 is 83628831.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13882596 and 13882605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69663 + ... + 69861.

It is an arithmetic number, because the mean of its divisors is an integer number (547200).

Almost surely, 2^13882638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13882638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17510400).

13882638 is an abundant number, since it is smaller than the sum of its proper divisors (21138162).

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

13882638 is a wasteful number, since it uses less digits than its factorization.

13882638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its digits is 55296, while the sum is 39.

The square root of 13882638 is about 3725.9412233689. The cubic root of 13882638 is about 240.3388616060.

The spelling of 13882638 in words is "thirteen million, eight hundred eighty-two thousand, six hundred thirty-eight".