12179973 has 16 divisors (see below), whose sum is σ = 18518976. Its totient is φ = 7054080.

The previous prime is 12179957. The next prime is 12179989. The reversal of 12179973 is 37997121.

12179973 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12179957) and next prime (12179989).

It is not a de Polignac number, because 12179973 - 2⁴ = 12179957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12179953) 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, 8523 + ... + 9848.

It is an arithmetic number, because the mean of its divisors is an integer number (1157436).

Almost surely, 2^12179973 is an apocalyptic number.

12179973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12179973 is a deficient number, since it is larger than the sum of its proper divisors (6339003).

12179973 is a wasteful number, since it uses less digits than its factorization.

12179973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18404.

The product of its digits is 23814, while the sum is 39.

The square root of 12179973 is about 3489.9818051102. The cubic root of 12179973 is about 230.0817163953.

The spelling of 12179973 in words is "twelve million, one hundred seventy-nine thousand, nine hundred seventy-three".