11580973 has 4 divisors (see below), whose sum is σ = 11588668. Its totient is φ = 11573280.

The previous prime is 11580971. The next prime is 11580979. The reversal of 11580973 is 37908511.

It is a happy number.

11580973 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37908511 = 61 ⋅621451.

It can be written as a sum of positive squares in 2 ways, for example, as 9498724 + 2082249 = 3082^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 11580973 - 2¹ = 11580971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11580971) 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, 768 + ... + 4873.

It is an arithmetic number, because the mean of its divisors is an integer number (2897167).

Almost surely, 2^11580973 is an apocalyptic number.

It is an amenable number.

11580973 is a deficient number, since it is larger than the sum of its proper divisors (7695).

11580973 is an equidigital number, since it uses as much as digits as its factorization.

11580973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 11580973 is about 3403.0828670486. The cubic root of 11580973 is about 226.2464028813.

The spelling of 11580973 in words is "eleven million, five hundred eighty thousand, nine hundred seventy-three".