11660027 has 4 divisors (see below), whose sum is σ = 11727600. Its totient is φ = 11592456.

The previous prime is 11660021. The next prime is 11660029. The reversal of 11660027 is 72006611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72006611 = 17 ⋅4235683.

It is a cyclic number.

It is not a de Polignac number, because 11660027 - 2⁸ = 11659771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11659984 and 11660011.

It is not an unprimeable number, because it can be changed into a prime (11660021) 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, 33527 + ... + 33872.

It is an arithmetic number, because the mean of its divisors is an integer number (2931900).

Almost surely, 2^11660027 is an apocalyptic number.

11660027 is a deficient number, since it is larger than the sum of its proper divisors (67573).

11660027 is an equidigital number, since it uses as much as digits as its factorization.

11660027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67572.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 11660027 is about 3414.6781693155. The cubic root of 11660027 is about 226.7600367445.

Adding to 11660027 its reverse (72006611), we get a palindrome (83666638).

The spelling of 11660027 in words is "eleven million, six hundred sixty thousand, twenty-seven".