12680715 has 8 divisors (see below), whose sum is σ = 20289168. Its totient is φ = 6763040.

The previous prime is 12680711. The next prime is 12680719. The reversal of 12680715 is 51708621.

12680715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12680711) and next prime (12680719).

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

It is not a de Polignac number, because 12680715 - 2² = 12680711 is a prime.

It is a super-2 number, since 2×12680715² = 321601065822450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12680711) 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, 422676 + ... + 422705.

It is an arithmetic number, because the mean of its divisors is an integer number (2536146).

Almost surely, 2^12680715 is an apocalyptic number.

12680715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12680715 is a deficient number, since it is larger than the sum of its proper divisors (7608453).

12680715 is an equidigital number, since it uses as much as digits as its factorization.

12680715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845389.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12680715 is about 3560.9991575399. Note that the first 3 decimals coincide. The cubic root of 12680715 is about 233.1925011834.

The spelling of 12680715 in words is "twelve million, six hundred eighty thousand, seven hundred fifteen".