12685746 has 16 divisors (see below), whose sum is σ = 26057664. Its totient is φ = 4114224.

The previous prime is 12685733. The next prime is 12685759. The reversal of 12685746 is 64758621.

It is an interprime number because it is at equal distance from previous prime (12685733) and next prime (12685759).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28350 + ... + 28793.

It is an arithmetic number, because the mean of its divisors is an integer number (1628604).

Almost surely, 2^12685746 is an apocalyptic number.

12685746 is an abundant number, since it is smaller than the sum of its proper divisors (13371918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12685746 is a wasteful number, since it uses less digits than its factorization.

12685746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57185.

The product of its digits is 80640, while the sum is 39.

The square root of 12685746 is about 3561.7054903515. The cubic root of 12685746 is about 233.2233363625.

It can be divided in two parts, 12685 and 746, that added together give a palindrome (13431).

The spelling of 12685746 in words is "twelve million, six hundred eighty-five thousand, seven hundred forty-six".