11545873 has 4 divisors (see below), whose sum is σ = 12225060. Its totient is φ = 10866688.

The previous prime is 11545871. The next prime is 11545889. The reversal of 11545873 is 37854511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5919489 + 5626384 = 2433^2 + 2372^2 .

It is a cyclic number.

It is not a de Polignac number, because 11545873 - 2¹ = 11545871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11545871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339568 + ... + 339601.

It is an arithmetic number, because the mean of its divisors is an integer number (3056265).

Almost surely, 2^11545873 is an apocalyptic number.

It is an amenable number.

11545873 is a deficient number, since it is larger than the sum of its proper divisors (679187).

11545873 is an equidigital number, since it uses as much as digits as its factorization.

11545873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679186.

The product of its digits is 16800, while the sum is 34.

The square root of 11545873 is about 3397.9218649051. The cubic root of 11545873 is about 226.0175998511.

The spelling of 11545873 in words is "eleven million, five hundred forty-five thousand, eight hundred seventy-three".