12530417 has 8 divisors (see below), whose sum is σ = 12975360. Its totient is φ = 12088080.

The previous prime is 12530393. The next prime is 12530429. The reversal of 12530417 is 71403521.

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

It is a cyclic number.

It is not a de Polignac number, because 12530417 - 2¹⁸ = 12268273 is a prime.

It is a super-2 number, since 2×12530417² = 314022700387778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12530392 and 12530401.

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 7 ways as a sum of consecutive naturals, for example, 18863 + ... + 19515.

It is an arithmetic number, because the mean of its divisors is an integer number (1621920).

Almost surely, 2^12530417 is an apocalyptic number.

It is an amenable number.

12530417 is a deficient number, since it is larger than the sum of its proper divisors (444943).

12530417 is an equidigital number, since it uses as much as digits as its factorization.

12530417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12530417 is about 3539.8329056609. The cubic root of 12530417 is about 232.2675334748.

Adding to 12530417 its reverse (71403521), we get a palindrome (83933938).

The spelling of 12530417 in words is "twelve million, five hundred thirty thousand, four hundred seventeen".