13016003 has 16 divisors (see below), whose sum is σ = 17477376. Its totient is φ = 9361440.

The previous prime is 13015991. The next prime is 13016009. The reversal of 13016003 is 30061031.

It is not a de Polignac number, because 13016003 - 2²⁰ = 11967427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13016009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5501 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (1092336).

Almost surely, 2^13016003 is an apocalyptic number.

13016003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13016003 is a deficient number, since it is larger than the sum of its proper divisors (4461373).

13016003 is a wasteful number, since it uses less digits than its factorization.

13016003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13016003 is about 3607.7698097301. The cubic root of 13016003 is about 235.2299123089.

Adding to 13016003 its reverse (30061031), we get a palindrome (43077034).

The spelling of 13016003 in words is "thirteen million, sixteen thousand, three".