11471132 has 6 divisors (see below), whose sum is σ = 20074488. Its totient is φ = 5735564.

The previous prime is 11471129. The next prime is 11471167. The reversal of 11471132 is 23117411.

It is a happy number.

It is a super-2 number, since 2×11471132² = 263173738722848, which contains 22 as substring.

It is a congruent number.

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, 1433888 + ... + 1433895.

It is an arithmetic number, because the mean of its divisors is an integer number (3345748).

Almost surely, 2^11471132 is an apocalyptic number.

It is an amenable number.

11471132 is a deficient number, since it is larger than the sum of its proper divisors (8603356).

11471132 is a wasteful number, since it uses less digits than its factorization.

11471132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867787 (or 2867785 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 11471132 is about 3386.9059626745. The cubic root of 11471132 is about 225.5288432680.

Adding to 11471132 its reverse (23117411), we get a palindrome (34588543).

The spelling of 11471132 in words is "eleven million, four hundred seventy-one thousand, one hundred thirty-two".