12487424 has 18 divisors (see below), whose sum is σ = 24926580. Its totient is φ = 6243584.

The previous prime is 12487421. The next prime is 12487483. The reversal of 12487424 is 42478421.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (12487421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24134 + ... + 24645.

It is an arithmetic number, because the mean of its divisors is an integer number (1384810).

Almost surely, 2^12487424 is an apocalyptic number.

It is an amenable number.

12487424 is a deficient number, since it is larger than the sum of its proper divisors (12439156).

12487424 is an frugal number, since it uses more digits than its factorization.

12487424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48795 (or 48781 counting only the distinct ones).

The product of its digits is 14336, while the sum is 32.

The square root of 12487424 is about 3533.7549433994. The cubic root of 12487424 is about 232.0015854034.

The spelling of 12487424 in words is "twelve million, four hundred eighty-seven thousand, four hundred twenty-four".