12680637 has 8 divisors (see below), whose sum is σ = 16974336. Its totient is φ = 8420352.

The previous prime is 12680609. The next prime is 12680641. The reversal of 12680637 is 73608621.

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

It is not a de Polignac number, because 12680637 - 2⁶ = 12680573 is a prime.

It is a super-3 number, since 3×12680637³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12680598 and 12680607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680137) 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, 7453 + ... + 8994.

It is an arithmetic number, because the mean of its divisors is an integer number (2121792).

Almost surely, 2^12680637 is an apocalyptic number.

It is an amenable number.

12680637 is a deficient number, since it is larger than the sum of its proper divisors (4293699).

12680637 is a wasteful number, since it uses less digits than its factorization.

12680637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16707.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12680637 is about 3560.9882055407. The cubic root of 12680637 is about 233.1920230544.

The spelling of 12680637 in words is "twelve million, six hundred eighty thousand, six hundred thirty-seven".