13803906 has 8 divisors (see below), whose sum is σ = 27607824. Its totient is φ = 4601300.

The previous prime is 13803893. The next prime is 13803917. The reversal of 13803906 is 60930831.

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

13803906 is an admirable number.

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, 1150320 + ... + 1150331.

It is an arithmetic number, because the mean of its divisors is an integer number (3450978).

Almost surely, 2^13803906 is an apocalyptic number.

13803906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13803906 is a wasteful number, since it uses less digits than its factorization.

13803906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300656.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13803906 is about 3715.3608169329. The cubic root of 13803906 is about 239.8836588900.

The spelling of 13803906 in words is "thirteen million, eight hundred three thousand, nine hundred six".