12924320 has 24 divisors (see below), whose sum is σ = 30534084. Its totient is φ = 5169664.

The previous prime is 12924319. The next prime is 12924323. The reversal of 12924320 is 2342921.

It can be written as a sum of positive squares in 2 ways, for example, as 11916304 + 1008016 = 3452^2 + 1004^2 .

It is not an unprimeable number, because it can be changed into a prime (12924323) 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, 40229 + ... + 40548.

Almost surely, 2^12924320 is an apocalyptic number.

12924320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12924320 is an abundant number, since it is smaller than the sum of its proper divisors (17609764).

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

12924320 is an equidigital number, since it uses as much as digits as its factorization.

12924320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80792 (or 80784 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12924320 is about 3595.0410289731. The cubic root of 12924320 is about 234.6763009704.

The spelling of 12924320 in words is "twelve million, nine hundred twenty-four thousand, three hundred twenty".