12973825 has 6 divisors (see below), whose sum is σ = 16087574. Its totient is φ = 10379040.

The previous prime is 12973823. The next prime is 12973853. The reversal of 12973825 is 52837921.

12973825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2534464 + 10439361 = 1592^2 + 3231^2 .

It is not a de Polignac number, because 12973825 - 2¹ = 12973823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12973823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259452 + ... + 259501.

Almost surely, 2^12973825 is an apocalyptic number.

It is an amenable number.

12973825 is a deficient number, since it is larger than the sum of its proper divisors (3113749).

12973825 is an equidigital number, since it uses as much as digits as its factorization.

12973825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518963 (or 518958 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 12973825 is about 3601.9196270878. The cubic root of 12973825 is about 234.9755520062.

The spelling of 12973825 in words is "twelve million, nine hundred seventy-three thousand, eight hundred twenty-five".