12760665 has 8 divisors (see below), whose sum is σ = 20417088. Its totient is φ = 6805680.

The previous prime is 12760663. The next prime is 12760673. The reversal of 12760665 is 56606721.

12760665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12760665 - 2¹ = 12760663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12760661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425341 + ... + 425370.

It is an arithmetic number, because the mean of its divisors is an integer number (2552136).

Almost surely, 2^12760665 is an apocalyptic number.

12760665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12760665 is a deficient number, since it is larger than the sum of its proper divisors (7656423).

12760665 is an equidigital number, since it uses as much as digits as its factorization.

12760665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850719.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 12760665 is about 3572.2073008156. The cubic root of 12760665 is about 233.6815560236.

The spelling of 12760665 in words is "twelve million, seven hundred sixty thousand, six hundred sixty-five".