12530787 has 4 divisors (see below), whose sum is σ = 16707720. Its totient is φ = 8353856.

The previous prime is 12530783. The next prime is 12530797. The reversal of 12530787 is 78703521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12530787 - 2² = 12530783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12530783) 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, 2088462 + ... + 2088467.

It is an arithmetic number, because the mean of its divisors is an integer number (4176930).

Almost surely, 2^12530787 is an apocalyptic number.

12530787 is a deficient number, since it is larger than the sum of its proper divisors (4176933).

12530787 is an equidigital number, since it uses as much as digits as its factorization.

12530787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176932.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 12530787 is about 3539.8851676290. The cubic root of 12530787 is about 232.2698195956.

The spelling of 12530787 in words is "twelve million, five hundred thirty thousand, seven hundred eighty-seven".