13012003 has 8 divisors (see below), whose sum is σ = 13301072. Its totient is φ = 12725856.

The previous prime is 13012001. The next prime is 13012007. The reversal of 13012003 is 30021031.

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 13012003 - 2¹ = 13012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012001) 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, 9901 + ... + 11137.

It is an arithmetic number, because the mean of its divisors is an integer number (1662634).

Almost surely, 2^13012003 is an apocalyptic number.

13012003 is a deficient number, since it is larger than the sum of its proper divisors (289069).

13012003 is a wasteful number, since it uses less digits than its factorization.

13012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 13012003 is about 3607.2154080398. The cubic root of 13012003 is about 235.2058133580.

Adding to 13012003 its reverse (30021031), we get a palindrome (43033034).

Subtracting 13012003 from its reverse (30021031), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 13012003 in words is "thirteen million, twelve thousand, three".