12530461 has 4 divisors (see below), whose sum is σ = 12836124. Its totient is φ = 12224800.

The previous prime is 12530459. The next prime is 12530467. The reversal of 12530461 is 16403521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16403521 = 17 ⋅964913.

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 11492100 = 1019^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 12530461 - 2¹ = 12530459 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152770 + ... + 152851.

It is an arithmetic number, because the mean of its divisors is an integer number (3209031).

Almost surely, 2^12530461 is an apocalyptic number.

It is an amenable number.

12530461 is a deficient number, since it is larger than the sum of its proper divisors (305663).

12530461 is an equidigital number, since it uses as much as digits as its factorization.

12530461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305662.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12530461 is about 3539.8391206381. The cubic root of 12530461 is about 232.2678053401.

Adding to 12530461 its reverse (16403521), we get a palindrome (28933982).

The spelling of 12530461 in words is "twelve million, five hundred thirty thousand, four hundred sixty-one".