13147303 has 4 divisors (see below), whose sum is σ = 14158648. Its totient is φ = 12135960.

The previous prime is 13147301. The next prime is 13147319. The reversal of 13147303 is 30374131.

It is a happy number.

13147303 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 30374131 = 1669 ⋅18199.

It is a cyclic number.

It is not a de Polignac number, because 13147303 - 2¹ = 13147301 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 (13147301) 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, 505653 + ... + 505678.

It is an arithmetic number, because the mean of its divisors is an integer number (3539662).

Almost surely, 2^13147303 is an apocalyptic number.

13147303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13147303 is a deficient number, since it is larger than the sum of its proper divisors (1011345).

13147303 is a wasteful number, since it uses less digits than its factorization.

13147303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011344.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13147303 is about 3625.9209864530. The cubic root of 13147303 is about 236.0182344907.

The spelling of 13147303 in words is "thirteen million, one hundred forty-seven thousand, three hundred three".