18696873 has 16 divisors (see below), whose sum is σ = 27473600. Its totient is φ = 11237184.

The previous prime is 18696871. The next prime is 18696901. The reversal of 18696873 is 37869681.

It is not a de Polignac number, because 18696873 - 2¹ = 18696871 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18696871) 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, 3898 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (1717100).

Almost surely, 2^18696873 is an apocalyptic number.

18696873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18696873 is a deficient number, since it is larger than the sum of its proper divisors (8776727).

18696873 is a wasteful number, since it uses less digits than its factorization.

18696873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11208.

The product of its digits is 435456, while the sum is 48.

The square root of 18696873 is about 4323.9880897153. The cubic root of 18696873 is about 265.4134899964.

The spelling of 18696873 in words is "eighteen million, six hundred ninety-six thousand, eight hundred seventy-three".