11471770 has 16 divisors (see below), whose sum is σ = 21864168. Its totient is φ = 4318720.

The previous prime is 11471749. The next prime is 11471771. The reversal of 11471770 is 7717411.

It is a Cunningham number, because it is equal to 3387²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 11471769 + 1 = 3387^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (11471771) 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 7 ways as a sum of consecutive naturals, for example, 33571 + ... + 33910.

Almost surely, 2^11471770 is an apocalyptic number.

11471770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11471770 is a deficient number, since it is larger than the sum of its proper divisors (10392398).

11471770 is a wasteful number, since it uses less digits than its factorization.

11471770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67505.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 11471770 is about 3387.0001476233. Note that the first 3 decimals coincide. The cubic root of 11471770 is about 225.5330243356.

The spelling of 11471770 in words is "eleven million, four hundred seventy-one thousand, seven hundred seventy".