13963303 has 4 divisors (see below), whose sum is σ = 13970880. Its totient is φ = 13955728.

The previous prime is 13963283. The next prime is 13963331. The reversal of 13963303 is 30336931.

13963303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30336931 = 23 ⋅1318997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13963303 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 (13963333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^13963303 is an apocalyptic number.

13963303 is a deficient number, since it is larger than the sum of its proper divisors (7577).

13963303 is an equidigital number, since it uses as much as digits as its factorization.

13963303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576.

The product of its (nonzero) digits is 4374, while the sum is 28.

The square root of 13963303 is about 3736.7503261524. The cubic root of 13963303 is about 240.8034588433.

The spelling of 13963303 in words is "thirteen million, nine hundred sixty-three thousand, three hundred three".