13808459 has 16 divisors (see below), whose sum is σ = 16972800. Its totient is φ = 10974312.

The previous prime is 13808453. The next prime is 13808467. The reversal of 13808459 is 95480831.

It is not a de Polignac number, because 13808459 - 2¹⁶ = 13742923 is a prime.

It is a super-3 number, since 3×13808459³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13808453) 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 15 ways as a sum of consecutive naturals, for example, 293774 + ... + 293820.

It is an arithmetic number, because the mean of its divisors is an integer number (1060800).

Almost surely, 2^13808459 is an apocalyptic number.

13808459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13808459 is a deficient number, since it is larger than the sum of its proper divisors (3164341).

13808459 is an frugal number, since it uses more digits than its factorization.

13808459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 13808459 is about 3715.9734929087. The cubic root of 13808459 is about 239.9100299341.

It can be divided in two parts, 1380845 and 9, that multiplied together give a triangular number (12427605 = T₄₉₈₅).

The spelling of 13808459 in words is "thirteen million, eight hundred eight thousand, four hundred fifty-nine".