11611687 has 6 divisors (see below), whose sum is σ = 12026768. Its totient is φ = 11210472.

The previous prime is 11611681. The next prime is 11611727. The reversal of 11611687 is 78611611.

11611687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11611687 - 2⁷ = 11611559 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 (11611681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6063 + ... + 7744.

Almost surely, 2^11611687 is an apocalyptic number.

11611687 is a deficient number, since it is larger than the sum of its proper divisors (415081).

11611687 is an equidigital number, since it uses as much as digits as its factorization.

11611687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13865 (or 13836 counting only the distinct ones).

The product of its digits is 2016, while the sum is 31.

The square root of 11611687 is about 3407.5925519346. The cubic root of 11611687 is about 226.4462363479.

The spelling of 11611687 in words is "eleven million, six hundred eleven thousand, six hundred eighty-seven".