12240472 has 16 divisors (see below), whose sum is σ = 23007600. Its totient is φ = 6105120.

The previous prime is 12240469. The next prime is 12240511. The reversal of 12240472 is 27404221.

It is a happy number.

12240472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2029 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (1437975).

Almost surely, 2^12240472 is an apocalyptic number.

It is an amenable number.

12240472 is a deficient number, since it is larger than the sum of its proper divisors (10767128).

12240472 is a wasteful number, since it uses less digits than its factorization.

12240472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786 (or 3782 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 12240472 is about 3498.6385923670. The cubic root of 12240472 is about 230.4620327921.

Adding to 12240472 its reverse (27404221), we get a palindrome (39644693).

The spelling of 12240472 in words is "twelve million, two hundred forty thousand, four hundred seventy-two".