12071873 has 4 divisors (see below), whose sum is σ = 13169328. Its totient is φ = 10974420.

The previous prime is 12071869. The next prime is 12071923. The reversal of 12071873 is 37817021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37817021 = 11 ⋅3437911.

It is a cyclic number.

It is not a de Polignac number, because 12071873 - 2² = 12071869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12071833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548711 + ... + 548732.

It is an arithmetic number, because the mean of its divisors is an integer number (3292332).

Almost surely, 2^12071873 is an apocalyptic number.

It is an amenable number.

12071873 is a deficient number, since it is larger than the sum of its proper divisors (1097455).

12071873 is a wasteful number, since it uses less digits than its factorization.

12071873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097454.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 12071873 is about 3474.4601019439. The cubic root of 12071873 is about 229.3990170290.

Adding to 12071873 its reverse (37817021), we get a palindrome (49888894).

The spelling of 12071873 in words is "twelve million, seventy-one thousand, eight hundred seventy-three".