13828345 has 8 divisors (see below), whose sum is σ = 16616520. Its totient is φ = 11047680.

The previous prime is 13828303. The next prime is 13828349. The reversal of 13828345 is 54382831.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 13638249 = 436^2 + 3693^2 .

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

It is not a de Polignac number, because 13828345 - 2⁹ = 13827833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13828345.

It is not an unprimeable number, because it can be changed into a prime (13828349) 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, 3675 + ... + 6415.

It is an arithmetic number, because the mean of its divisors is an integer number (2077065).

Almost surely, 2^13828345 is an apocalyptic number.

It is an amenable number.

13828345 is a deficient number, since it is larger than the sum of its proper divisors (2788175).

13828345 is a wasteful number, since it uses less digits than its factorization.

13828345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755.

The product of its digits is 23040, while the sum is 34.

The square root of 13828345 is about 3718.6482759196. The cubic root of 13828345 is about 240.0251420420.

The spelling of 13828345 in words is "thirteen million, eight hundred twenty-eight thousand, three hundred forty-five".