12530617 has 4 divisors (see below), whose sum is σ = 13669776. Its totient is φ = 11391460.

The previous prime is 12530599. The next prime is 12530629. The reversal of 12530617 is 71603521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12530617 - 2⁷ = 12530489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12530591 and 12530600.

It is not an unprimeable number, because it can be changed into a prime (12530647) 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, 569563 + ... + 569584.

It is an arithmetic number, because the mean of its divisors is an integer number (3417444).

Almost surely, 2^12530617 is an apocalyptic number.

It is an amenable number.

12530617 is a deficient number, since it is larger than the sum of its proper divisors (1139159).

12530617 is a wasteful number, since it uses less digits than its factorization.

12530617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139158.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12530617 is about 3539.8611554692. The cubic root of 12530617 is about 232.2687692213.

The spelling of 12530617 in words is "twelve million, five hundred thirty thousand, six hundred seventeen".