13811303 has 6 divisors (see below), whose sum is σ = 15181152. Its totient is φ = 12555620.

The previous prime is 13811297. The next prime is 13811321. The reversal of 13811303 is 30311831.

It is a happy number.

It is not a de Polignac number, because 13811303 - 2¹⁴ = 13794919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13814303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56951 + ... + 57192.

It is an arithmetic number, because the mean of its divisors is an integer number (2530192).

Almost surely, 2^13811303 is an apocalyptic number.

13811303 is a deficient number, since it is larger than the sum of its proper divisors (1369849).

13811303 is a wasteful number, since it uses less digits than its factorization.

13811303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114165 (or 114154 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13811303 is about 3716.3561454737. The cubic root of 13811303 is about 239.9264994833.

The spelling of 13811303 in words is "thirteen million, eight hundred eleven thousand, three hundred three".