11947027 has 4 divisors (see below), whose sum is σ = 11969416. Its totient is φ = 11924640.

The previous prime is 11947009. The next prime is 11947037. The reversal of 11947027 is 72074911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11947027 - 2⁷ = 11946899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11947027.

It is not an unprimeable number, because it can be changed into a prime (11947007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10374 + ... + 11467.

It is an arithmetic number, because the mean of its divisors is an integer number (2992354).

Almost surely, 2^11947027 is an apocalyptic number.

11947027 is a deficient number, since it is larger than the sum of its proper divisors (22389).

11947027 is an equidigital number, since it uses as much as digits as its factorization.

11947027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22388.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 11947027 is about 3456.4471643582. The cubic root of 11947027 is about 228.6054685353.

The spelling of 11947027 in words is "eleven million, nine hundred forty-seven thousand, twenty-seven".