11916147 has 6 divisors (see below), whose sum is σ = 15896172. Its totient is φ = 7940112.

The previous prime is 11916137. The next prime is 11916161. The reversal of 11916147 is 74161911.

It is not a de Polignac number, because 11916147 - 2⁴ = 11916131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11916127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4983 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (2649362).

Almost surely, 2^11916147 is an apocalyptic number.

11916147 is a deficient number, since it is larger than the sum of its proper divisors (3980025).

11916147 is an frugal number, since it uses more digits than its factorization.

11916147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989 (or 1996 counting only the distinct ones).

The product of its digits is 1512, while the sum is 30.

The square root of 11916147 is about 3451.9772594848. The cubic root of 11916147 is about 228.4083364284.

The spelling of 11916147 in words is "eleven million, nine hundred sixteen thousand, one hundred forty-seven".