13650566 has 8 divisors (see below), whose sum is σ = 20496504. Its totient is φ = 6818400.

The previous prime is 13650563. The next prime is 13650583. The reversal of 13650566 is 66505631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650563) 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, 440 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (2562063).

Almost surely, 2^13650566 is an apocalyptic number.

13650566 is a deficient number, since it is larger than the sum of its proper divisors (6845938).

13650566 is a wasteful number, since it uses less digits than its factorization.

13650566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 13650566 is about 3694.6672380608. The cubic root of 13650566 is about 238.9921042191.

The spelling of 13650566 in words is "thirteen million, six hundred fifty thousand, five hundred sixty-six".