25706012 has 12 divisors (see below), whose sum is σ = 47353320. Its totient is φ = 12176496.

The previous prime is 25706003. The next prime is 25706029. The reversal of 25706012 is 21060752.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 169043 + ... + 169194.

It is an arithmetic number, because the mean of its divisors is an integer number (3946110).

Almost surely, 2^25706012 is an apocalyptic number.

It is an amenable number.

25706012 is a deficient number, since it is larger than the sum of its proper divisors (21647308).

25706012 is a wasteful number, since it uses less digits than its factorization.

25706012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338260 (or 338258 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 25706012 is about 5070.1096635083. The cubic root of 25706012 is about 295.1287841418.

Adding to 25706012 its reverse (21060752), we get a palindrome (46766764).

The spelling of 25706012 in words is "twenty-five million, seven hundred six thousand, twelve".