13005994 has 24 divisors (see below), whose sum is σ = 21500640. Its totient is φ = 5883768.

The previous prime is 13005931. The next prime is 13005997. The reversal of 13005994 is 49950031.

13005994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13005997) 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, 19779 + ... + 20425.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 2^13005994 is an apocalyptic number.

13005994 is a deficient number, since it is larger than the sum of its proper divisors (8494646).

13005994 is a wasteful number, since it uses less digits than its factorization.

13005994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 13005994 is about 3606.3823979162. The cubic root of 13005994 is about 235.1696014248.

The spelling of 13005994 in words is "thirteen million, five thousand, nine hundred ninety-four".