13808426 has 8 divisors (see below), whose sum is σ = 20852100. Its totient is φ = 6857728.

The previous prime is 13808401. The next prime is 13808449. The reversal of 13808426 is 62480831.

13808426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12952801 + 855625 = 3599^2 + 925^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13808392 and 13808401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22871 + ... + 23466.

Almost surely, 2^13808426 is an apocalyptic number.

13808426 is a deficient number, since it is larger than the sum of its proper divisors (7043674).

13808426 is a wasteful number, since it uses less digits than its factorization.

13808426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46488.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 13808426 is about 3715.9690526160. The cubic root of 13808426 is about 239.9098388184.

The spelling of 13808426 in words is "thirteen million, eight hundred eight thousand, four hundred twenty-six".