12040472 has 16 divisors (see below), whose sum is σ = 22750200. Its totient is φ = 5973760.

The previous prime is 12040463. The next prime is 12040517. The reversal of 12040472 is 27404021.

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 3 ways as a sum of consecutive naturals, for example, 4697 + ... + 6792.

Almost surely, 2^12040472 is an apocalyptic number.

It is an amenable number.

12040472 is a deficient number, since it is larger than the sum of its proper divisors (10709728).

12040472 is a wasteful number, since it uses less digits than its factorization.

12040472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11626 (or 11622 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12040472 is about 3469.9383279822. The cubic root of 12040472 is about 229.1999423342.

Adding to 12040472 its reverse (27404021), we get a palindrome (39444493).

The spelling of 12040472 in words is "twelve million, forty thousand, four hundred seventy-two".