13144303 has 4 divisors (see below), whose sum is σ = 13151848. Its totient is φ = 13136760.

The previous prime is 13144297. The next prime is 13144319. The reversal of 13144303 is 30344131.

13144303 is digitally balanced in base 2 and base 3, because in such bases 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: 30344131 = 1609 ⋅18859.

It is a cyclic number.

It is not a de Polignac number, because 13144303 - 2¹³ = 13136111 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 (13144343) 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, 325 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (3287962).

Almost surely, 2^13144303 is an apocalyptic number.

13144303 is a deficient number, since it is larger than the sum of its proper divisors (7545).

13144303 is an equidigital number, since it uses as much as digits as its factorization.

13144303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7544.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13144303 is about 3625.5072748513. The cubic root of 13144303 is about 236.0002812886. Note that the first 3 decimals are identical.

Adding to 13144303 its reverse (30344131), we get a palindrome (43488434).

The spelling of 13144303 in words is "thirteen million, one hundred forty-four thousand, three hundred three".