11687967 has 12 divisors (see below), whose sum is σ = 17339400. Its totient is φ = 7581168.

The previous prime is 11687953. The next prime is 11687989. The reversal of 11687967 is 76978611.

11687967 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11687967 - 2⁶ = 11687903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17217 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (1444950).

Almost surely, 2^11687967 is an apocalyptic number.

11687967 is a deficient number, since it is larger than the sum of its proper divisors (5651433).

11687967 is a wasteful number, since it uses less digits than its factorization.

11687967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35142 (or 35139 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 11687967 is about 3418.7668829565. The cubic root of 11687967 is about 226.9410146443.

The spelling of 11687967 in words is "eleven million, six hundred eighty-seven thousand, nine hundred sixty-seven".