12530767 has 4 divisors (see below), whose sum is σ = 12654936. Its totient is φ = 12406600.

The previous prime is 12530729. The next prime is 12530773. The reversal of 12530767 is 76703521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12530767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530797) 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, 61933 + ... + 62134.

It is an arithmetic number, because the mean of its divisors is an integer number (3163734).

Almost surely, 2^12530767 is an apocalyptic number.

12530767 is a deficient number, since it is larger than the sum of its proper divisors (124169).

12530767 is a wasteful number, since it uses less digits than its factorization.

12530767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124168.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 12530767 is about 3539.8823426775. The cubic root of 12530767 is about 232.2696960226.

The spelling of 12530767 in words is "twelve million, five hundred thirty thousand, seven hundred sixty-seven".