13018973 has 16 divisors (see below), whose sum is σ = 14665536. Its totient is φ = 11456640.

The previous prime is 13018969. The next prime is 13018979. The reversal of 13018973 is 37981031.

13018973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13018973 - 2² = 13018969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13018979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79790 + ... + 79952.

It is an arithmetic number, because the mean of its divisors is an integer number (916596).

Almost surely, 2^13018973 is an apocalyptic number.

It is an amenable number.

13018973 is a deficient number, since it is larger than the sum of its proper divisors (1646563).

13018973 is a wasteful number, since it uses less digits than its factorization.

13018973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13018973 is about 3608.1813978790. The cubic root of 13018973 is about 235.2478025862.

The spelling of 13018973 in words is "thirteen million, eighteen thousand, nine hundred seventy-three".