12023892 has 18 divisors (see below), whose sum is σ = 30393818. Its totient is φ = 4007952.

The previous prime is 12023881. The next prime is 12023909. The reversal of 12023892 is 29832021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10265616 + 1758276 = 3204^2 + 1326^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 166963 + ... + 167034.

Almost surely, 2^12023892 is an apocalyptic number.

12023892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12023892 is an abundant number, since it is smaller than the sum of its proper divisors (18369926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12023892 is a wasteful number, since it uses less digits than its factorization.

12023892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334007 (or 334002 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12023892 is about 3467.5484135048. The cubic root of 12023892 is about 229.0946895205.

The spelling of 12023892 in words is "twelve million, twenty-three thousand, eight hundred ninety-two".