12946825 has 6 divisors (see below), whose sum is σ = 16054094. Its totient is φ = 10357440.

The previous prime is 12946819. The next prime is 12946841. The reversal of 12946825 is 52864921.

It can be written as a sum of positive squares in 3 ways, for example, as 478864 + 12467961 = 692^2 + 3531^2 .

It is not a de Polignac number, because 12946825 - 2⁷ = 12946697 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 258912 + ... + 258961.

Almost surely, 2^12946825 is an apocalyptic number.

It is an amenable number.

12946825 is a deficient number, since it is larger than the sum of its proper divisors (3107269).

12946825 is an equidigital number, since it uses as much as digits as its factorization.

12946825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517883 (or 517878 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 12946825 is about 3598.1696735980. The cubic root of 12946825 is about 234.8124352154.

The spelling of 12946825 in words is "twelve million, nine hundred forty-six thousand, eight hundred twenty-five".