14639128 has 32 divisors (see below), whose sum is σ = 31808160. Its totient is φ = 6186240.

The previous prime is 14639123. The next prime is 14639129. The reversal of 14639128 is 82193641.

It is a junction number, because it is equal to n+sod(n) for n = 14639093 and 14639102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14639123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298 + ... + 5878.

It is an arithmetic number, because the mean of its divisors is an integer number (994005).

Almost surely, 2^14639128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14639128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15904080).

14639128 is an abundant number, since it is smaller than the sum of its proper divisors (17169032).

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

14639128 is a wasteful number, since it uses less digits than its factorization.

14639128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3663 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 14639128 is about 3826.1113418195. Note that the first 3 decimals coincide. The cubic root of 14639128 is about 244.6273830451.

The spelling of 14639128 in words is "fourteen million, six hundred thirty-nine thousand, one hundred twenty-eight".