12711587 has 4 divisors (see below), whose sum is σ = 14527536. Its totient is φ = 10895640.

The previous prime is 12711577. The next prime is 12711613. The reversal of 12711587 is 78511721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78511721 = 163 ⋅481667.

It is not a de Polignac number, because 12711587 - 2¹⁴ = 12695203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12711527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907964 + ... + 907977.

It is an arithmetic number, because the mean of its divisors is an integer number (3631884).

Almost surely, 2^12711587 is an apocalyptic number.

12711587 is a deficient number, since it is larger than the sum of its proper divisors (1815949).

12711587 is an equidigital number, since it uses as much as digits as its factorization.

12711587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815948.

The product of its digits is 3920, while the sum is 32.

The square root of 12711587 is about 3565.3312609069. The cubic root of 12711587 is about 233.3815884325.

The spelling of 12711587 in words is "twelve million, seven hundred eleven thousand, five hundred eighty-seven".