13004019 has 12 divisors (see below), whose sum is σ = 21467056. Its totient is φ = 7430832.

The previous prime is 13003987. The next prime is 13004051. The reversal of 13004019 is 91040031.

It is an interprime number because it is at equal distance from previous prime (13003987) and next prime (13004051).

It is not a de Polignac number, because 13004019 - 2⁵ = 13003987 is a prime.

It is a super-2 number, since 2×13004019² = 338209020304722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13003992 and 13004010.

It is not an unprimeable number, because it can be changed into a prime (13004819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103144 + ... + 103269.

Almost surely, 2^13004019 is an apocalyptic number.

13004019 is a deficient number, since it is larger than the sum of its proper divisors (8463037).

13004019 is a wasteful number, since it uses less digits than its factorization.

13004019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206426 (or 206423 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13004019 is about 3606.1085674172. The cubic root of 13004019 is about 235.1576970809.

The spelling of 13004019 in words is "thirteen million, four thousand, nineteen".