11712687 has 8 divisors (see below), whose sum is σ = 17847936. Its totient is φ = 6692952.

The previous prime is 11712661. The next prime is 11712689. The reversal of 11712687 is 78621711.

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

It is not a de Polignac number, because 11712687 - 2⁸ = 11712431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278853 + ... + 278894.

It is an arithmetic number, because the mean of its divisors is an integer number (2230992).

Almost surely, 2^11712687 is an apocalyptic number.

11712687 is a deficient number, since it is larger than the sum of its proper divisors (6135249).

11712687 is an equidigital number, since it uses as much as digits as its factorization.

11712687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557757.

The product of its digits is 4704, while the sum is 33.

The square root of 11712687 is about 3422.3803120051. The cubic root of 11712687 is about 227.1008950722.

The spelling of 11712687 in words is "eleven million, seven hundred twelve thousand, six hundred eighty-seven".