12745886 has 8 divisors (see below), whose sum is σ = 20243520. Its totient is φ = 5998048.

The previous prime is 12745853. The next prime is 12745891. The reversal of 12745886 is 68854721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 187406 + ... + 187473.

It is an arithmetic number, because the mean of its divisors is an integer number (2530440).

Almost surely, 2^12745886 is an apocalyptic number.

12745886 is a deficient number, since it is larger than the sum of its proper divisors (7497634).

12745886 is a wasteful number, since it uses less digits than its factorization.

12745886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374898.

The product of its digits is 107520, while the sum is 41.

The square root of 12745886 is about 3570.1380925673. The cubic root of 12745886 is about 233.5913069692.

It can be divided in two parts, 12745 and 886, that added together give a palindrome (13631).

The spelling of 12745886 in words is "twelve million, seven hundred forty-five thousand, eight hundred eighty-six".