13813303 has 8 divisors (see below), whose sum is σ = 15822720. Its totient is φ = 11812920.

The previous prime is 13813297. The next prime is 13813307. The reversal of 13813303 is 30331831.

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

It is a de Polignac number, because none of the positive numbers 2^k-13813303 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 (13813307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (1977840).

Almost surely, 2^13813303 is an apocalyptic number.

13813303 is a deficient number, since it is larger than the sum of its proper divisors (2009417).

13813303 is an equidigital number, since it uses as much as digits as its factorization.

13813303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13813303 is about 3716.6252165103. The cubic root of 13813303 is about 239.9380800909.

The spelling of 13813303 in words is "thirteen million, eight hundred thirteen thousand, three hundred three".