12530215 has 16 divisors (see below), whose sum is σ = 16218720. Its totient is φ = 9262080.

The previous prime is 12530213. The next prime is 12530251. The reversal of 12530215 is 51203521.

12530215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12530215 - 2¹ = 12530213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 12530192 and 12530201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2287 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1013670).

Almost surely, 2^12530215 is an apocalyptic number.

12530215 is a deficient number, since it is larger than the sum of its proper divisors (3688505).

12530215 is a wasteful number, since it uses less digits than its factorization.

12530215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12530215 is about 3539.8043731257. The cubic root of 12530215 is about 232.2662853574.

Adding to 12530215 its reverse (51203521), we get a palindrome (63733736).

The spelling of 12530215 in words is "twelve million, five hundred thirty thousand, two hundred fifteen".