13650223 has 4 divisors (see below), whose sum is σ = 13715128. Its totient is φ = 13585320.

The previous prime is 13650211. The next prime is 13650233. The reversal of 13650223 is 32205631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32205631 = 29 ⋅1110539.

It is a cyclic number.

It is not a de Polignac number, because 13650223 - 2⁹ = 13649711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13650194 and 13650203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32136 + ... + 32557.

It is an arithmetic number, because the mean of its divisors is an integer number (3428782).

Almost surely, 2^13650223 is an apocalyptic number.

13650223 is a deficient number, since it is larger than the sum of its proper divisors (64905).

13650223 is an equidigital number, since it uses as much as digits as its factorization.

13650223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64904.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 13650223 is about 3694.6208195159. The cubic root of 13650223 is about 238.9901024711.

Adding to 13650223 its reverse (32205631), we get a palindrome (45855854).

The spelling of 13650223 in words is "thirteen million, six hundred fifty thousand, two hundred twenty-three".