11471687 has 8 divisors (see below), whose sum is σ = 12600960. Its totient is φ = 10395000.

The previous prime is 11471671. The next prime is 11471699. The reversal of 11471687 is 78617411.

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

It is a cyclic number.

It is not a de Polignac number, because 11471687 - 2⁴ = 11471671 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 (11471627) 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 7 ways as a sum of consecutive naturals, for example, 12689 + ... + 13562.

It is an arithmetic number, because the mean of its divisors is an integer number (1575120).

Almost surely, 2^11471687 is an apocalyptic number.

11471687 is a deficient number, since it is larger than the sum of its proper divisors (1129273).

11471687 is a wasteful number, since it uses less digits than its factorization.

11471687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26293.

The product of its digits is 9408, while the sum is 35.

The square root of 11471687 is about 3386.9878948706. The cubic root of 11471687 is about 225.5324804124.

The spelling of 11471687 in words is "eleven million, four hundred seventy-one thousand, six hundred eighty-seven".