12706425 has 18 divisors (see below), whose sum is σ = 22759022. Its totient is φ = 6776640.

The previous prime is 12706409. The next prime is 12706451. The reversal of 12706425 is 52460721.

12706425 is a `hidden beast` number, since 12 + 7 + 0 + 642 + 5 = 666.

12706425 is digitally balanced in base 2 and base 4, because in such bases 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 1557504 + 11148921 = 1248^2 + 3339^2 .

It is not a de Polignac number, because 12706425 - 2⁴ = 12706409 is a prime.

It is a super-2 number, since 2×12706425² = 322906472561250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28012 + ... + 28461.

Almost surely, 2^12706425 is an apocalyptic number.

12706425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12706425 is a deficient number, since it is larger than the sum of its proper divisors (10052597).

12706425 is a wasteful number, since it uses less digits than its factorization.

12706425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56489 (or 56481 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12706425 is about 3564.6072714957. The cubic root of 12706425 is about 233.3499931415.

It can be divided in two parts, 12706 and 425, that added together give a palindrome (13131).

The spelling of 12706425 in words is "twelve million, seven hundred six thousand, four hundred twenty-five".