12709005 has 24 divisors (see below), whose sum is σ = 21470112. Its totient is φ = 6418656.

The previous prime is 12709003. The next prime is 12709009. The reversal of 12709005 is 50090721.

12709005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12709005 - 2¹ = 12709003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12709003) 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, 4242 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (894588).

Almost surely, 2^12709005 is an apocalyptic number.

12709005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12709005 is a deficient number, since it is larger than the sum of its proper divisors (8761107).

12709005 is a wasteful number, since it uses less digits than its factorization.

12709005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 12709005 is about 3564.9691443265. The cubic root of 12709005 is about 233.3657857357.

Adding to 12709005 its reverse (50090721), we get a palindrome (62799726).

The spelling of 12709005 in words is "twelve million, seven hundred nine thousand, five".