13466223 has 8 divisors (see below), whose sum is σ = 19950000. Its totient is φ = 8977464.

The previous prime is 13466209. The next prime is 13466239. The reversal of 13466223 is 32266431.

13466223 is a `hidden beast` number, since 1 + 34 + 6 + 622 + 3 = 666.

It is not a de Polignac number, because 13466223 - 2¹³ = 13458031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 498749 = 13466223 / (1 + 3 + 4 + 6 + 6 + 2 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13466203) 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, 249348 + ... + 249401.

It is an arithmetic number, because the mean of its divisors is an integer number (2493750).

Almost surely, 2^13466223 is an apocalyptic number.

13466223 is a deficient number, since it is larger than the sum of its proper divisors (6483777).

13466223 is an equidigital number, since it uses as much as digits as its factorization.

13466223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498758 (or 498752 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 13466223 is about 3669.6352679796. The cubic root of 13466223 is about 237.9114080741.

It can be divided in two parts, 13466 and 223, that added together give a square (13689 = 117²).

The spelling of 13466223 in words is "thirteen million, four hundred sixty-six thousand, two hundred twenty-three".