11487857 has 8 divisors (see below), whose sum is σ = 11923200. Its totient is φ = 11055184.

The previous prime is 11487851. The next prime is 11487859. The reversal of 11487857 is 75878411.

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 11487857 - 2⁶ = 11487793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11487851) 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, 13478 + ... + 14304.

It is an arithmetic number, because the mean of its divisors is an integer number (1490400).

Almost surely, 2^11487857 is an apocalyptic number.

It is an amenable number.

11487857 is a deficient number, since it is larger than the sum of its proper divisors (435343).

11487857 is an equidigital number, since it uses as much as digits as its factorization.

11487857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 62720, while the sum is 41.

The square root of 11487857 is about 3389.3741310159. The cubic root of 11487857 is about 225.6383976462.

The spelling of 11487857 in words is "eleven million, four hundred eighty-seven thousand, eight hundred fifty-seven".