12440324 has 12 divisors (see below), whose sum is σ = 23445324. Its totient is φ = 5741664.

The previous prime is 12440317. The next prime is 12440339. The reversal of 12440324 is 42304421.

12440324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 8761600 = 1918^2 + 2960^2 .

It is a super-2 number, since 2×12440324² = 309523322449952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12440296 and 12440305.

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, 119567 + ... + 119670.

It is an arithmetic number, because the mean of its divisors is an integer number (1953777).

Almost surely, 2^12440324 is an apocalyptic number.

It is an amenable number.

12440324 is a deficient number, since it is larger than the sum of its proper divisors (11005000).

12440324 is a wasteful number, since it uses less digits than its factorization.

12440324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239254 (or 239252 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12440324 is about 3527.0843482968. The cubic root of 12440324 is about 231.7095304524.

Adding to 12440324 its reverse (42304421), we get a palindrome (54744745).

The spelling of 12440324 in words is "twelve million, four hundred forty thousand, three hundred twenty-four".