12747685 has 8 divisors (see below), whose sum is σ = 15323256. Its totient is φ = 10180800.

The previous prime is 12747653. The next prime is 12747697. The reversal of 12747685 is 58674721.

It can be written as a sum of positive squares in 4 ways, for example, as 574564 + 12173121 = 758^2 + 3489^2 .

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

It is not a de Polignac number, because 12747685 - 2⁵ = 12747653 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1687 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (1915407).

Almost surely, 2^12747685 is an apocalyptic number.

It is an amenable number.

12747685 is a deficient number, since it is larger than the sum of its proper divisors (2575571).

12747685 is an equidigital number, since it uses as much as digits as its factorization.

12747685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343.

The product of its digits is 94080, while the sum is 40.

The square root of 12747685 is about 3570.3900347161. The cubic root of 12747685 is about 233.6022964234.

The spelling of 12747685 in words is "twelve million, seven hundred forty-seven thousand, six hundred eighty-five".