11487866 has 8 divisors (see below), whose sum is σ = 18557364. Its totient is φ = 5302080.

The previous prime is 11487863. The next prime is 11487877. The reversal of 11487866 is 66878411.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 70225 = 3379^2 + 265^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11487863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220895 + ... + 220946.

Almost surely, 2^11487866 is an apocalyptic number.

11487866 is a deficient number, since it is larger than the sum of its proper divisors (7069498).

11487866 is a wasteful number, since it uses less digits than its factorization.

11487866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441856.

The product of its digits is 64512, while the sum is 41.

The square root of 11487866 is about 3389.3754586944. The cubic root of 11487866 is about 225.6384565706.

The spelling of 11487866 in words is "eleven million, four hundred eighty-seven thousand, eight hundred sixty-six".