11471956 has 18 divisors (see below), whose sum is σ = 20481902. Its totient is φ = 5622240.

The previous prime is 11471947. The next prime is 11471959. The reversal of 11471956 is 65917411.

It can be written as a sum of positive squares in 3 ways, for example, as 4343056 + 7128900 = 2084^2 + 2670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471959) 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 5 ways as a sum of consecutive naturals, for example, 10726 + ... + 11746.

Almost surely, 2^11471956 is an apocalyptic number.

It is an amenable number.

11471956 is a deficient number, since it is larger than the sum of its proper divisors (9009946).

11471956 is a wasteful number, since it uses less digits than its factorization.

11471956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1076 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 11471956 is about 3387.0276054381. The cubic root of 11471956 is about 225.5342432384.

The spelling of 11471956 in words is "eleven million, four hundred seventy-one thousand, nine hundred fifty-six".