12017973 has 16 divisors (see below), whose sum is σ = 17551872. Its totient is φ = 7254000.

The previous prime is 12017969. The next prime is 12017989. The reversal of 12017973 is 37971021.

It is not a de Polignac number, because 12017973 - 2² = 12017969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12017973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12017903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9678 + ... + 10848.

It is an arithmetic number, because the mean of its divisors is an integer number (1096992).

Almost surely, 2^12017973 is an apocalyptic number.

It is an amenable number.

12017973 is a deficient number, since it is larger than the sum of its proper divisors (5533899).

12017973 is a wasteful number, since it uses less digits than its factorization.

12017973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 12017973 is about 3466.6948236036. The cubic root of 12017973 is about 229.0570912111.

Adding to 12017973 its reverse (37971021), we get a palindrome (49988994).

The spelling of 12017973 in words is "twelve million, seventeen thousand, nine hundred seventy-three".