13828808 has 64 divisors (see below), whose sum is σ = 32054400. Its totient is φ = 5460480.

The previous prime is 13828807. The next prime is 13828817. The reversal of 13828808 is 80882831.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (13828807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43466 + ... + 43782.

It is an arithmetic number, because the mean of its divisors is an integer number (500850).

Almost surely, 2^13828808 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 13828808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16027200).

13828808 is an abundant number, since it is smaller than the sum of its proper divisors (18225592).

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

13828808 is a wasteful number, since it uses less digits than its factorization.

13828808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 13828808 is about 3718.7105292023. The cubic root of 13828808 is about 240.0278208490.

The spelling of 13828808 in words is "thirteen million, eight hundred twenty-eight thousand, eight hundred eight".