13028003 has 8 divisors (see below), whose sum is σ = 13278816. Its totient is φ = 12779200.

The previous prime is 13027997. The next prime is 13028009. The reversal of 13028003 is 30082031.

13028003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13027997) and next prime (13028009).

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

It is a cyclic number.

It is not a de Polignac number, because 13028003 - 2¹⁴ = 13011619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13028009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19625 + ... + 20277.

It is an arithmetic number, because the mean of its divisors is an integer number (1659852).

Almost surely, 2^13028003 is an apocalyptic number.

13028003 is a deficient number, since it is larger than the sum of its proper divisors (250813).

13028003 is an equidigital number, since it uses as much as digits as its factorization.

13028003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13028003 is about 3609.4325038709. The cubic root of 13028003 is about 235.3021795510.

The spelling of 13028003 in words is "thirteen million, twenty-eight thousand, three".