12287424 has 28 divisors (see below), whose sum is σ = 32510984. Its totient is φ = 4095744.

The previous prime is 12287419. The next prime is 12287437. The reversal of 12287424 is 42478221.

It is a junction number, because it is equal to n+sod(n) for n = 12287391 and 12287400.

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, 31807 + ... + 32190.

Almost surely, 2^12287424 is an apocalyptic number.

It is an amenable number.

12287424 is an abundant number, since it is smaller than the sum of its proper divisors (20223560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12287424 is an equidigital number, since it uses as much as digits as its factorization.

12287424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64012 (or 64002 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 12287424 is about 3505.3422086866. The cubic root of 12287424 is about 230.7563255689.

The spelling of 12287424 in words is "twelve million, two hundred eighty-seven thousand, four hundred twenty-four".