12741705 has 24 divisors (see below), whose sum is σ = 22905792. Its totient is φ = 6794928.

The previous prime is 12741697. The next prime is 12741709. The reversal of 12741705 is 50714721.

It is not a de Polignac number, because 12741705 - 2³ = 12741697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12741709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4029 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (954408).

Almost surely, 2^12741705 is an apocalyptic number.

12741705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12741705 is a deficient number, since it is larger than the sum of its proper divisors (10164087).

12741705 is an equidigital number, since it uses as much as digits as its factorization.

12741705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507 (or 10495 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12741705 is about 3569.5524929604. The cubic root of 12741705 is about 233.5657627252.

The spelling of 12741705 in words is "twelve million, seven hundred forty-one thousand, seven hundred five".