12505315 has 8 divisors (see below), whose sum is σ = 15155568. Its totient is φ = 9904800.

The previous prime is 12505313. The next prime is 12505327. The reversal of 12505315 is 51350521.

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

It is not a de Polignac number, because 12505315 - 2¹ = 12505313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12505313) 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, 11877 + ... + 12886.

It is an arithmetic number, because the mean of its divisors is an integer number (1894446).

Almost surely, 2^12505315 is an apocalyptic number.

12505315 is a deficient number, since it is larger than the sum of its proper divisors (2650253).

12505315 is a wasteful number, since it uses less digits than its factorization.

12505315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24869.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 12505315 is about 3536.2854805572. The cubic root of 12505315 is about 232.1123304125.

Adding to 12505315 its reverse (51350521), we get a palindrome (63855836).

The spelling of 12505315 in words is "twelve million, five hundred five thousand, three hundred fifteen".