11471975 has 6 divisors (see below), whose sum is σ = 14225280. Its totient is φ = 9177560.

The previous prime is 11471959. The next prime is 11471987. The reversal of 11471975 is 57917411.

It is not a de Polignac number, because 11471975 - 2⁴ = 11471959 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 229415 + ... + 229464.

It is an arithmetic number, because the mean of its divisors is an integer number (2370880).

Almost surely, 2^11471975 is an apocalyptic number.

11471975 is a deficient number, since it is larger than the sum of its proper divisors (2753305).

11471975 is an equidigital number, since it uses as much as digits as its factorization.

11471975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458889 (or 458884 counting only the distinct ones).

The product of its digits is 8820, while the sum is 35.

The square root of 11471975 is about 3387.0304102562. The cubic root of 11471975 is about 225.5343677492.

The spelling of 11471975 in words is "eleven million, four hundred seventy-one thousand, nine hundred seventy-five".