13118973 has 16 divisors (see below), whose sum is σ = 20152320. Its totient is φ = 7436016.

The previous prime is 13118957. The next prime is 13118981. The reversal of 13118973 is 37981131.

It is not a de Polignac number, because 13118973 - 2⁴ = 13118957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118923) 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, 208 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (1259520).

Almost surely, 2^13118973 is an apocalyptic number.

It is an amenable number.

13118973 is a deficient number, since it is larger than the sum of its proper divisors (7033347).

13118973 is a wasteful number, since it uses less digits than its factorization.

13118973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056.

The product of its digits is 4536, while the sum is 33.

The square root of 13118973 is about 3622.0122860090. The cubic root of 13118973 is about 235.8485874032.

The spelling of 13118973 in words is "thirteen million, one hundred eighteen thousand, nine hundred seventy-three".