12773825 has 12 divisors (see below), whose sum is σ = 15884028. Its totient is φ = 10190400.

The previous prime is 12773807. The next prime is 12773857. The reversal of 12773825 is 52837721.

It can be written as a sum of positive squares in 6 ways, for example, as 781456 + 11992369 = 884^2 + 3463^2 .

It is not a de Polignac number, because 12773825 - 2¹⁰ = 12772801 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16139 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (1323669).

Almost surely, 2^12773825 is an apocalyptic number.

It is an amenable number.

12773825 is a deficient number, since it is larger than the sum of its proper divisors (3110203).

12773825 is an equidigital number, since it uses as much as digits as its factorization.

12773825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1439 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 12773825 is about 3574.0488245126. The cubic root of 12773825 is about 233.7618599033.

The spelling of 12773825 in words is "twelve million, seven hundred seventy-three thousand, eight hundred twenty-five".