12770425 has 6 divisors (see below), whose sum is σ = 15835358. Its totient is φ = 10216320.

The previous prime is 12770423. The next prime is 12770431. The reversal of 12770425 is 52407721.

It can be written as a sum of positive squares in 3 ways, for example, as 4096 + 12766329 = 64^2 + 3573^2 .

It is not a de Polignac number, because 12770425 - 2¹ = 12770423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12770393 and 12770402.

It is not an unprimeable number, because it can be changed into a prime (12770423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255384 + ... + 255433.

Almost surely, 2^12770425 is an apocalyptic number.

It is an amenable number.

12770425 is a deficient number, since it is larger than the sum of its proper divisors (3064933).

12770425 is an equidigital number, since it uses as much as digits as its factorization.

12770425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510827 (or 510822 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12770425 is about 3573.5731418288. The cubic root of 12770425 is about 233.7411179864.

The spelling of 12770425 in words is "twelve million, seven hundred seventy thousand, four hundred twenty-five".