12045424 has 20 divisors (see below), whose sum is σ = 23969944. Its totient is φ = 5859648.

The previous prime is 12045409. The next prime is 12045427. The reversal of 12045424 is 42454021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12045395 and 12045404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045427) 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 3 ways as a sum of consecutive naturals, for example, 9582 + ... + 10765.

Almost surely, 2^12045424 is an apocalyptic number.

It is an amenable number.

12045424 is a deficient number, since it is larger than the sum of its proper divisors (11924520).

12045424 is a wasteful number, since it uses less digits than its factorization.

12045424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20392 (or 20386 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 12045424 is about 3470.6518119800. The cubic root of 12045424 is about 229.2313597778.

Adding to 12045424 its reverse (42454021), we get a palindrome (54499445).

The spelling of 12045424 in words is "twelve million, forty-five thousand, four hundred twenty-four".