11992573 has 4 divisors (see below), whose sum is σ = 12406140. Its totient is φ = 11579008.

The previous prime is 11992559. The next prime is 11992583. The reversal of 11992573 is 37529911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37529911 = 3347 ⋅11213.

It can be written as a sum of positive squares in 2 ways, for example, as 8450649 + 3541924 = 2907^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 11992573 - 2⁹ = 11992061 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 (11992583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206740 + ... + 206797.

It is an arithmetic number, because the mean of its divisors is an integer number (3101535).

Almost surely, 2^11992573 is an apocalyptic number.

It is an amenable number.

11992573 is a deficient number, since it is larger than the sum of its proper divisors (413567).

11992573 is an equidigital number, since it uses as much as digits as its factorization.

11992573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413566.

The product of its digits is 17010, while the sum is 37.

The square root of 11992573 is about 3463.0294541052. The cubic root of 11992573 is about 228.8956065815.

The spelling of 11992573 in words is "eleven million, nine hundred ninety-two thousand, five hundred seventy-three".