12387315 has 8 divisors (see below), whose sum is σ = 19819728. Its totient is φ = 6606560.

The previous prime is 12387313. The next prime is 12387329. The reversal of 12387315 is 51378321.

12387315 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12387315 - 2¹ = 12387313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12387313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412896 + ... + 412925.

It is an arithmetic number, because the mean of its divisors is an integer number (2477466).

Almost surely, 2^12387315 is an apocalyptic number.

12387315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12387315 is a deficient number, since it is larger than the sum of its proper divisors (7432413).

12387315 is an equidigital number, since it uses as much as digits as its factorization.

12387315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825829.

The product of its digits is 5040, while the sum is 30.

The square root of 12387315 is about 3519.5617624926. The cubic root of 12387315 is about 231.3799522815.

The spelling of 12387315 in words is "twelve million, three hundred eighty-seven thousand, three hundred fifteen".