12504315 has 16 divisors (see below), whose sum is σ = 20653056. Its totient is φ = 6453600.

The previous prime is 12504311. The next prime is 12504353. The reversal of 12504315 is 51340521.

It is not a de Polignac number, because 12504315 - 2² = 12504311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12504291 and 12504300.

It is not an unprimeable number, because it can be changed into a prime (12504311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12981 + ... + 13910.

It is an arithmetic number, because the mean of its divisors is an integer number (1290816).

Almost surely, 2^12504315 is an apocalyptic number.

12504315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12504315 is a deficient number, since it is larger than the sum of its proper divisors (8148741).

12504315 is a wasteful number, since it uses less digits than its factorization.

12504315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26930.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12504315 is about 3536.1440864309. The cubic root of 12504315 is about 232.1061432162.

Adding to 12504315 its reverse (51340521), we get a palindrome (63844836).

It can be divided in two parts, 1250 and 4315, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 12504315 in words is "twelve million, five hundred four thousand, three hundred fifteen".