13013019 has 12 divisors (see below), whose sum is σ = 18973656. Its totient is φ = 8593632.

The previous prime is 13012999. The next prime is 13013023. The reversal of 13013019 is 91031031.

It is not a de Polignac number, because 13013019 - 2¹¹ = 13010971 is a prime.

It is a super-2 number, since 2×13013019² = 338677326988722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13012992 and 13013010.

It is not an unprimeable number, because it can be changed into a prime (13013059) 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, 5794 + ... + 7719.

It is an arithmetic number, because the mean of its divisors is an integer number (1581138).

Almost surely, 2^13013019 is an apocalyptic number.

13013019 is a deficient number, since it is larger than the sum of its proper divisors (5960637).

13013019 is a wasteful number, since it uses less digits than its factorization.

13013019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13626 (or 13623 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 13013019 is about 3607.3562341416. The cubic root of 13013019 is about 235.2119349594.

The spelling of 13013019 in words is "thirteen million, thirteen thousand, nineteen".