13017998 has 16 divisors (see below), whose sum is σ = 22377600. Its totient is φ = 5563896.

The previous prime is 13017967. The next prime is 13018001. The reversal of 13017998 is 89971031.

13017998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 2^13017998 is an apocalyptic number.

13017998 is a deficient number, since it is larger than the sum of its proper divisors (9359602).

13017998 is a wasteful number, since it uses less digits than its factorization.

13017998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 13017998 is about 3608.0462857342. The cubic root of 13017998 is about 235.2419298154.

The spelling of 13017998 in words is "thirteen million, seventeen thousand, nine hundred ninety-eight".