12351315 has 8 divisors (see below), whose sum is σ = 19762128. Its totient is φ = 6587360.

The previous prime is 12351289. The next prime is 12351319. The reversal of 12351315 is 51315321.

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

It is not a de Polignac number, because 12351315 - 2²¹ = 10254163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12351291 and 12351300.

It is not an unprimeable number, because it can be changed into a prime (12351319) 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, 411696 + ... + 411725.

It is an arithmetic number, because the mean of its divisors is an integer number (2470266).

Almost surely, 2^12351315 is an apocalyptic number.

12351315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12351315 is a deficient number, since it is larger than the sum of its proper divisors (7410813).

12351315 is an equidigital number, since it uses as much as digits as its factorization.

12351315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823429.

The product of its digits is 450, while the sum is 21.

The square root of 12351315 is about 3514.4437682228. The cubic root of 12351315 is about 231.1555894133.

Adding to 12351315 its reverse (51315321), we get a palindrome (63666636).

The spelling of 12351315 in words is "twelve million, three hundred fifty-one thousand, three hundred fifteen".