13134503 has 4 divisors (see below), whose sum is σ = 13319568. Its totient is φ = 12949440.

The previous prime is 13134493. The next prime is 13134533. The reversal of 13134503 is 30543131.

It is a happy number.

13134503 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: 30543131 = 167 ⋅182893.

It is a cyclic number.

It is not a de Polignac number, because 13134503 - 2⁴ = 13134487 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 (13134533) 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, 92426 + ... + 92567.

It is an arithmetic number, because the mean of its divisors is an integer number (3329892).

Almost surely, 2^13134503 is an apocalyptic number.

13134503 is a deficient number, since it is larger than the sum of its proper divisors (185065).

13134503 is an equidigital number, since it uses as much as digits as its factorization.

13134503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185064.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 13134503 is about 3624.1554878344. The cubic root of 13134503 is about 235.9416151176.

Adding to 13134503 its reverse (30543131), we get a palindrome (43677634).

The spelling of 13134503 in words is "thirteen million, one hundred thirty-four thousand, five hundred three".