12447360 has 96 divisors (see below), whose sum is σ = 43002180. Its totient is φ = 3317760.

The previous prime is 12447353. The next prime is 12447361. The reversal of 12447360 is 6374421.

It can be written as a sum of positive squares in 2 ways, for example, as 12446784 + 576 = 3528^2 + 24^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (12447361) 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 11 ways as a sum of consecutive naturals, for example, 4680 + ... + 6840.

Almost surely, 2^12447360 is an apocalyptic number.

12447360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12447360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21501090).

12447360 is an abundant number, since it is smaller than the sum of its proper divisors (30554820).

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

12447360 is a wasteful number, since it uses less digits than its factorization.

12447360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 12447360 is about 3528.0816317087. The cubic root of 12447360 is about 231.7532056545.

The spelling of 12447360 in words is "twelve million, four hundred forty-seven thousand, three hundred sixty".