13010503 has 8 divisors (see below), whose sum is σ = 14434560. Its totient is φ = 11626680.

The previous prime is 13010477. The next prime is 13010561. The reversal of 13010503 is 30501031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13010503 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 (13010563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9375 + ... + 10672.

It is an arithmetic number, because the mean of its divisors is an integer number (1804320).

Almost surely, 2^13010503 is an apocalyptic number.

13010503 is a deficient number, since it is larger than the sum of its proper divisors (1424057).

13010503 is a wasteful number, since it uses less digits than its factorization.

13010503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20117.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 13010503 is about 3607.0074854372. The cubic root of 13010503 is about 235.1967749781.

Adding to 13010503 its reverse (30501031), we get a palindrome (43511534).

The spelling of 13010503 in words is "thirteen million, ten thousand, five hundred three".