11545073 has 4 divisors (see below), whose sum is σ = 11857140. Its totient is φ = 11233008.

The previous prime is 11545069. The next prime is 11545087. The reversal of 11545073 is 37054511.

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 7656289 + 3888784 = 2767^2 + 1972^2 .

It is a cyclic number.

It is not a de Polignac number, because 11545073 - 2² = 11545069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11545003) 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 3 ways as a sum of consecutive naturals, for example, 155978 + ... + 156051.

It is an arithmetic number, because the mean of its divisors is an integer number (2964285).

Almost surely, 2^11545073 is an apocalyptic number.

It is an amenable number.

11545073 is a deficient number, since it is larger than the sum of its proper divisors (312067).

11545073 is an equidigital number, since it uses as much as digits as its factorization.

11545073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312066.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 11545073 is about 3397.8041438553. The cubic root of 11545073 is about 226.0123795657.

Adding to 11545073 its reverse (37054511), we get a palindrome (48599584).

The spelling of 11545073 in words is "eleven million, five hundred forty-five thousand, seventy-three".