11687477 has 8 divisors (see below), whose sum is σ = 11864664. Its totient is φ = 11511808.

The previous prime is 11687471. The next prime is 11687491. The reversal of 11687477 is 77478611.

11687477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 10699441 = 994^2 + 3271^2 .

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 11687477 - 2¹⁰ = 11686453 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 (11687471) 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, 32933 + ... + 33285.

It is an arithmetic number, because the mean of its divisors is an integer number (1483083).

Almost surely, 2^11687477 is an apocalyptic number.

It is an amenable number.

11687477 is a deficient number, since it is larger than the sum of its proper divisors (177187).

11687477 is a wasteful number, since it uses less digits than its factorization.

11687477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its digits is 65856, while the sum is 41.

The square root of 11687477 is about 3418.6952189395. The cubic root of 11687477 is about 226.9378432159.

The spelling of 11687477 in words is "eleven million, six hundred eighty-seven thousand, four hundred seventy-seven".