12680654 has 8 divisors (see below), whose sum is σ = 21738288. Its totient is φ = 5434560.

The previous prime is 12680653. The next prime is 12680663. The reversal of 12680654 is 45608621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12680654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680653) 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, 452867 + ... + 452894.

It is an arithmetic number, because the mean of its divisors is an integer number (2717286).

Almost surely, 2^12680654 is an apocalyptic number.

12680654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12680654 is a deficient number, since it is larger than the sum of its proper divisors (9057634).

12680654 is an equidigital number, since it uses as much as digits as its factorization.

12680654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905770.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 12680654 is about 3560.9905925178. The cubic root of 12680654 is about 233.1921272621.

The spelling of 12680654 in words is "twelve million, six hundred eighty thousand, six hundred fifty-four".