13806303 has 24 divisors (see below), whose sum is σ = 21533568. Its totient is φ = 7706688.

The previous prime is 13806283. The next prime is 13806319. The reversal of 13806303 is 30360831.

It is not a de Polignac number, because 13806303 - 2⁶ = 13806239 is a prime.

It is a super-2 number, since 2×13806303² = 381228005055618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155083 + ... + 155171.

It is an arithmetic number, because the mean of its divisors is an integer number (897232).

Almost surely, 2^13806303 is an apocalyptic number.

13806303 is a deficient number, since it is larger than the sum of its proper divisors (7727265).

13806303 is an frugal number, since it uses more digits than its factorization.

13806303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13806303 is about 3715.6833826364. The cubic root of 13806303 is about 239.8975430725.

The spelling of 13806303 in words is "thirteen million, eight hundred six thousand, three hundred three".