11471745 has 8 divisors (see below), whose sum is σ = 18354816. Its totient is φ = 6118256.

The previous prime is 11471743. The next prime is 11471749. The reversal of 11471745 is 54717411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11471745 - 2¹ = 11471743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11471743) 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 7 ways as a sum of consecutive naturals, for example, 382377 + ... + 382406.

It is an arithmetic number, because the mean of its divisors is an integer number (2294352).

Almost surely, 2^11471745 is an apocalyptic number.

11471745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11471745 is a deficient number, since it is larger than the sum of its proper divisors (6883071).

11471745 is an equidigital number, since it uses as much as digits as its factorization.

11471745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764791.

The product of its digits is 3920, while the sum is 30.

The square root of 11471745 is about 3386.9964570398. The cubic root of 11471745 is about 225.5328605036.

The spelling of 11471745 in words is "eleven million, four hundred seventy-one thousand, seven hundred forty-five".