13803216 has 40 divisors (see below), whose sum is σ = 40753344. Its totient is φ = 3943680.

The previous prime is 13803173. The next prime is 13803221. The reversal of 13803216 is 61230831.

13803216 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

13803216 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20205 + ... + 20876.

Almost surely, 2^13803216 is an apocalyptic number.

13803216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13803216 is an abundant number, since it is smaller than the sum of its proper divisors (26950128).

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

13803216 is a wasteful number, since it uses less digits than its factorization.

13803216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41099 (or 41093 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13803216 is about 3715.2679580348. The cubic root of 13803216 is about 239.8796618937.

The spelling of 13803216 in words is "thirteen million, eight hundred three thousand, two hundred sixteen".