12530555 has 8 divisors (see below), whose sum is σ = 15116544. Its totient is φ = 9971200.

The previous prime is 12530521. The next prime is 12530569. The reversal of 12530555 is 55503521.

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

It is not a de Polignac number, because 12530555 - 2⁶ = 12530491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5606 + ... + 7515.

It is an arithmetic number, because the mean of its divisors is an integer number (1889568).

Almost surely, 2^12530555 is an apocalyptic number.

12530555 is a deficient number, since it is larger than the sum of its proper divisors (2585989).

12530555 is a wasteful number, since it uses less digits than its factorization.

12530555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 12530555 is about 3539.8523980528. The cubic root of 12530555 is about 232.2683861413.

The spelling of 12530555 in words is "twelve million, five hundred thirty thousand, five hundred fifty-five".