12742025 has 6 divisors (see below), whose sum is σ = 15800142. Its totient is φ = 10193600.

The previous prime is 12742013. The next prime is 12742031. The reversal of 12742025 is 52024721.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 687241 + 12054784 = 829^2 + 3472^2 .

It is not a de Polignac number, because 12742025 - 2⁸ = 12741769 is a prime.

It is a super-2 number, since 2×12742025² = 324718402201250, which contains 22 as substring.

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, 254816 + ... + 254865.

It is an arithmetic number, because the mean of its divisors is an integer number (2633357).

Almost surely, 2^12742025 is an apocalyptic number.

It is an amenable number.

12742025 is a deficient number, since it is larger than the sum of its proper divisors (3058117).

12742025 is an equidigital number, since it uses as much as digits as its factorization.

12742025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509691 (or 509686 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12742025 is about 3569.5973162249. The cubic root of 12742025 is about 233.5677179952.

Adding to 12742025 its reverse (52024721), we get a palindrome (64766746).

The spelling of 12742025 in words is "twelve million, seven hundred forty-two thousand, twenty-five".