13808873 has 8 divisors (see below), whose sum is σ = 14973000. Its totient is φ = 12659328.

The previous prime is 13808869. The next prime is 13808887. The reversal of 13808873 is 37880831.

It can be written as a sum of positive squares in 4 ways, for example, as 29929 + 13778944 = 173^2 + 3712^2 .

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 13808873 - 2² = 13808869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13808813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1628 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (1871625).

Almost surely, 2^13808873 is an apocalyptic number.

13808873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13808873 is a deficient number, since it is larger than the sum of its proper divisors (1164127).

13808873 is a wasteful number, since it uses less digits than its factorization.

13808873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 13808873 is about 3716.0291979477. The cubic root of 13808873 is about 239.9124275407.

The spelling of 13808873 in words is "thirteen million, eight hundred eight thousand, eight hundred seventy-three".