11814587 has 4 divisors (see below), whose sum is σ = 11825376. Its totient is φ = 11803800.

The previous prime is 11814577. The next prime is 11814589. The reversal of 11814587 is 78541811.

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: 78541811 = 139 ⋅565049.

It is a cyclic number.

It is not a de Polignac number, because 11814587 - 2¹⁰ = 11813563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11814589) 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, 3539 + ... + 6012.

It is an arithmetic number, because the mean of its divisors is an integer number (2956344).

Almost surely, 2^11814587 is an apocalyptic number.

11814587 is a deficient number, since it is larger than the sum of its proper divisors (10789).

11814587 is an equidigital number, since it uses as much as digits as its factorization.

11814587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788.

The product of its digits is 8960, while the sum is 35.

The square root of 11814587 is about 3437.2353716323. The cubic root of 11814587 is about 227.7575845055.

The spelling of 11814587 in words is "eleven million, eight hundred fourteen thousand, five hundred eighty-seven".