11056687 has 4 divisors (see below), whose sum is σ = 11063736. Its totient is φ = 11049640.

The previous prime is 11056657. The next prime is 11056693. The reversal of 11056687 is 78665011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78665011 = 31 ⋅2537581.

It is a cyclic number.

It is not a de Polignac number, because 11056687 - 2¹¹ = 11054639 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 (11056607) 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 3 ways as a sum of consecutive naturals, for example, 12 + ... + 4702.

It is an arithmetic number, because the mean of its divisors is an integer number (2765934).

Almost surely, 2^11056687 is an apocalyptic number.

11056687 is a deficient number, since it is larger than the sum of its proper divisors (7049).

11056687 is an equidigital number, since it uses as much as digits as its factorization.

11056687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 11056687 is about 3325.1596954131. The cubic root of 11056687 is about 222.7793872826.

The spelling of 11056687 in words is "eleven million, fifty-six thousand, six hundred eighty-seven".