13650680 has 64 divisors (see below), whose sum is σ = 32192640. Its totient is φ = 5204992.

The previous prime is 13650667. The next prime is 13650691. The reversal of 13650680 is 8605631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99572 + ... + 99708.

It is an arithmetic number, because the mean of its divisors is an integer number (503010).

Almost surely, 2^13650680 is an apocalyptic number.

13650680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13650680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16096320).

13650680 is an abundant number, since it is smaller than the sum of its proper divisors (18541960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13650680 is a wasteful number, since it uses less digits than its factorization.

13650680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 13650680 is about 3694.6826656697. The cubic root of 13650680 is about 238.9927695157.

The spelling of 13650680 in words is "thirteen million, six hundred fifty thousand, six hundred eighty".