13026993 has 24 divisors (see below), whose sum is σ = 21089088. Its totient is φ = 7118496.

The previous prime is 13026983. The next prime is 13027013. The reversal of 13026993 is 39962031.

13026993 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13026993 - 2¹² = 13022897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13026953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1455 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (878712).

Almost surely, 2^13026993 is an apocalyptic number.

It is an amenable number.

13026993 is a deficient number, since it is larger than the sum of its proper divisors (8062095).

13026993 is a wasteful number, since it uses less digits than its factorization.

13026993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 13026993 is about 3609.2925899683. The cubic root of 13026993 is about 235.2960987689.

The spelling of 13026993 in words is "thirteen million, twenty-six thousand, nine hundred ninety-three".