11947106 has 4 divisors (see below), whose sum is σ = 17920662. Its totient is φ = 5973552.

The previous prime is 11947081. The next prime is 11947123. The reversal of 11947106 is 60174911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60174911 = 67 ⋅898133.

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 664225 = 3359^2 + 815^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2986775 + ... + 2986778.

Almost surely, 2^11947106 is an apocalyptic number.

11947106 is a deficient number, since it is larger than the sum of its proper divisors (5973556).

11947106 is an equidigital number, since it uses as much as digits as its factorization.

11947106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973555.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11947106 is about 3456.4585922588. The cubic root of 11947106 is about 228.6059724205.

The spelling of 11947106 in words is "eleven million, nine hundred forty-seven thousand, one hundred six".