12676665 has 8 divisors (see below), whose sum is σ = 20282688. Its totient is φ = 6760880.

The previous prime is 12676663. The next prime is 12676687. The reversal of 12676665 is 56667621.

12676665 is digitally balanced in base 2 and base 4, because in such bases 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 12676665 - 2¹ = 12676663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12676663) 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, 422541 + ... + 422570.

It is an arithmetic number, because the mean of its divisors is an integer number (2535336).

Almost surely, 2^12676665 is an apocalyptic number.

12676665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12676665 is a deficient number, since it is larger than the sum of its proper divisors (7606023).

12676665 is an equidigital number, since it uses as much as digits as its factorization.

12676665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845119.

The product of its digits is 90720, while the sum is 39.

The square root of 12676665 is about 3560.4304515044. The cubic root of 12676665 is about 233.1676726624.

The spelling of 12676665 in words is "twelve million, six hundred seventy-six thousand, six hundred sixty-five".