12445773 has 4 divisors (see below), whose sum is σ = 16594368. Its totient is φ = 8297180.

The previous prime is 12445757. The next prime is 12445781. The reversal of 12445773 is 37754421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37754421 = 3 ⋅12584807.

It is a cyclic number.

It is not a de Polignac number, because 12445773 - 2⁴ = 12445757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445723) 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, 2074293 + ... + 2074298.

It is an arithmetic number, because the mean of its divisors is an integer number (4148592).

Almost surely, 2^12445773 is an apocalyptic number.

It is an amenable number.

12445773 is a deficient number, since it is larger than the sum of its proper divisors (4148595).

12445773 is an equidigital number, since it uses as much as digits as its factorization.

12445773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148594.

The product of its digits is 23520, while the sum is 33.

The square root of 12445773 is about 3527.8567147774. The cubic root of 12445773 is about 231.7433559630.

The spelling of 12445773 in words is "twelve million, four hundred forty-five thousand, seven hundred seventy-three".