12457324 has 12 divisors (see below), whose sum is σ = 23782248. Its totient is φ = 5662400.

The previous prime is 12457321. The next prime is 12457373. The reversal of 12457324 is 42375421.

It is a junction number, because it is equal to n+sod(n) for n = 12457292 and 12457301.

It is not an unprimeable number, because it can be changed into a prime (12457321) 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, 141517 + ... + 141604.

It is an arithmetic number, because the mean of its divisors is an integer number (1981854).

Almost surely, 2^12457324 is an apocalyptic number.

It is an amenable number.

12457324 is a deficient number, since it is larger than the sum of its proper divisors (11324924).

12457324 is a wasteful number, since it uses less digits than its factorization.

12457324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283136 (or 283134 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 12457324 is about 3529.4934480744. The cubic root of 12457324 is about 231.8150279487.

The spelling of 12457324 in words is "twelve million, four hundred fifty-seven thousand, three hundred twenty-four".