12680530 has 8 divisors (see below), whose sum is σ = 22824972. Its totient is φ = 5072208.

The previous prime is 12680513. The next prime is 12680533. The reversal of 12680530 is 3508621.

It is a happy number.

12680530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11854249 + 826281 = 3443^2 + 909^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12680495 and 12680504.

It is not an unprimeable number, because it can be changed into a prime (12680533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634017 + ... + 634036.

Almost surely, 2^12680530 is an apocalyptic number.

12680530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12680530 is a deficient number, since it is larger than the sum of its proper divisors (10144442).

12680530 is a wasteful number, since it uses less digits than its factorization.

12680530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268060.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12680530 is about 3560.9731815895. The cubic root of 12680530 is about 233.1913671563.

It can be divided in two parts, 126 and 80530, that added together give a square (80656 = 284²).

The spelling of 12680530 in words is "twelve million, six hundred eighty thousand, five hundred thirty".