12407320 has 32 divisors (see below), whose sum is σ = 28033920. Its totient is φ = 4942080.

The previous prime is 12407309. The next prime is 12407333. The reversal of 12407320 is 2370421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12025 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (876060).

Almost surely, 2^12407320 is an apocalyptic number.

12407320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12407320 is an abundant number, since it is smaller than the sum of its proper divisors (15626600).

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

12407320 is a wasteful number, since it uses less digits than its factorization.

12407320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12407320 is about 3522.4025891428. The cubic root of 12407320 is about 231.5044416329.

Adding to 12407320 its reverse (2370421), we get a palindrome (14777741).

The spelling of 12407320 in words is "twelve million, four hundred seven thousand, three hundred twenty".