12023444 has 12 divisors (see below), whose sum is σ = 21250068. Its totient is φ = 5952000.

The previous prime is 12023419. The next prime is 12023461. The reversal of 12023444 is 44432021.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 4787344 = 2690^2 + 2188^2 .

It is a super-2 number, since 2×12023444² = 289126411242272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14477 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (1770839).

Almost surely, 2^12023444 is an apocalyptic number.

It is an amenable number.

12023444 is a deficient number, since it is larger than the sum of its proper divisors (9226624).

12023444 is a wasteful number, since it uses less digits than its factorization.

12023444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29866 (or 29864 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12023444 is about 3467.4838139492. The cubic root of 12023444 is about 229.0918441940.

Adding to 12023444 its reverse (44432021), we get a palindrome (56455465).

The spelling of 12023444 in words is "twelve million, twenty-three thousand, four hundred forty-four".