12023671 has 4 divisors (see below), whose sum is σ = 13116744. Its totient is φ = 10930600.

The previous prime is 12023663. The next prime is 12023699. The reversal of 12023671 is 17632021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12023671 - 2³ = 12023663 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546520 + ... + 546541.

It is an arithmetic number, because the mean of its divisors is an integer number (3279186).

Almost surely, 2^12023671 is an apocalyptic number.

12023671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12023671 is a deficient number, since it is larger than the sum of its proper divisors (1093073).

12023671 is a wasteful number, since it uses less digits than its factorization.

12023671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093072.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12023671 is about 3467.5165464638. The cubic root of 12023671 is about 229.0932859196.

Adding to 12023671 its reverse (17632021), we get a palindrome (29655692).

The spelling of 12023671 in words is "twelve million, twenty-three thousand, six hundred seventy-one".