12071823 has 8 divisors (see below), whose sum is σ = 16255536. Its totient is φ = 7968000.

The previous prime is 12071797. The next prime is 12071827. The reversal of 12071823 is 32817021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12071823 - 2⁸ = 12071567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12071793 and 12071802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071827) 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 7 ways as a sum of consecutive naturals, for example, 19618 + ... + 20223.

It is an arithmetic number, because the mean of its divisors is an integer number (2031942).

Almost surely, 2^12071823 is an apocalyptic number.

12071823 is a deficient number, since it is larger than the sum of its proper divisors (4183713).

12071823 is a wasteful number, since it uses less digits than its factorization.

12071823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12071823 is about 3474.4529065739. The cubic root of 12071823 is about 229.3987003157.

Adding to 12071823 its reverse (32817021), we get a palindrome (44888844).

The spelling of 12071823 in words is "twelve million, seventy-one thousand, eight hundred twenty-three".