12440352 has 24 divisors (see below), whose sum is σ = 32656176. Its totient is φ = 4146752.

The previous prime is 12440339. The next prime is 12440357. The reversal of 12440352 is 25304421.

12440352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (12440357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64698 + ... + 64889.

It is an arithmetic number, because the mean of its divisors is an integer number (1360674).

Almost surely, 2^12440352 is an apocalyptic number.

12440352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12440352 is an abundant number, since it is smaller than the sum of its proper divisors (20215824).

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

12440352 is a wasteful number, since it uses less digits than its factorization.

12440352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129600 (or 129592 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12440352 is about 3527.0883175787. The cubic root of 12440352 is about 231.7097042920.

Adding to 12440352 its reverse (25304421), we get a palindrome (37744773).

The spelling of 12440352 in words is "twelve million, four hundred forty thousand, three hundred fifty-two".