13013003 has 4 divisors (see below), whose sum is σ = 13074888. Its totient is φ = 12951120.

The previous prime is 13012999. The next prime is 13013023. The reversal of 13013003 is 30031031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13013003 - 2² = 13012999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13013023) 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, 30626 + ... + 31047.

It is an arithmetic number, because the mean of its divisors is an integer number (3268722).

Almost surely, 2^13013003 is an apocalyptic number.

13013003 is a deficient number, since it is larger than the sum of its proper divisors (61885).

13013003 is an equidigital number, since it uses as much as digits as its factorization.

13013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61884.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 13013003 is about 3607.3540164503. The cubic root of 13013003 is about 235.2118385587.

Adding to 13013003 its reverse (30031031), we get a palindrome (43044034).

The spelling of 13013003 in words is "thirteen million, thirteen thousand, three".