13828917 has 8 divisors (see below), whose sum is σ = 18573696. Its totient is φ = 9151712.

The previous prime is 13828897. The next prime is 13828921. The reversal of 13828917 is 71982831.

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

It is a cyclic number.

It is not a de Polignac number, because 13828917 - 2¹⁵ = 13796149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13828937) 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, 16413 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (2321712).

Almost surely, 2^13828917 is an apocalyptic number.

It is an amenable number.

13828917 is a deficient number, since it is larger than the sum of its proper divisors (4744779).

13828917 is a wasteful number, since it uses less digits than its factorization.

13828917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33787.

The product of its digits is 24192, while the sum is 39.

The square root of 13828917 is about 3718.7251847912. The cubic root of 13828917 is about 240.0284514881.

The spelling of 13828917 in words is "thirteen million, eight hundred twenty-eight thousand, nine hundred seventeen".