12732425 has 6 divisors (see below), whose sum is σ = 15788238. Its totient is φ = 10185920.

The previous prime is 12732407. The next prime is 12732431. The reversal of 12732425 is 52423721.

It can be written as a sum of positive squares in 3 ways, for example, as 712336 + 12020089 = 844^2 + 3467^2 .

It is not a de Polignac number, because 12732425 - 2¹⁰ = 12731401 is a prime.

It is a super-2 number, since 2×12732425² = 324229292761250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12732394 and 12732403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254624 + ... + 254673.

It is an arithmetic number, because the mean of its divisors is an integer number (2631373).

Almost surely, 2^12732425 is an apocalyptic number.

It is an amenable number.

12732425 is a deficient number, since it is larger than the sum of its proper divisors (3055813).

12732425 is an equidigital number, since it uses as much as digits as its factorization.

12732425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509307 (or 509302 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12732425 is about 3568.2523733615. The cubic root of 12732425 is about 233.5090456507.

The spelling of 12732425 in words is "twelve million, seven hundred thirty-two thousand, four hundred twenty-five".