13166223 has 8 divisors (see below), whose sum is σ = 20062848. Its totient is φ = 7523544.

The previous prime is 13166201. The next prime is 13166233. The reversal of 13166223 is 32266131.

It is a happy number.

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

It is not a de Polignac number, because 13166223 - 2⁸ = 13165967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13166193 and 13166202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13166233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313461 + ... + 313502.

It is an arithmetic number, because the mean of its divisors is an integer number (2507856).

Almost surely, 2^13166223 is an apocalyptic number.

13166223 is a deficient number, since it is larger than the sum of its proper divisors (6896625).

13166223 is an equidigital number, since it uses as much as digits as its factorization.

13166223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626973.

The product of its digits is 1296, while the sum is 24.

The square root of 13166223 is about 3628.5290408098. The cubic root of 13166223 is about 236.1313964742.

The spelling of 13166223 in words is "thirteen million, one hundred sixty-six thousand, two hundred twenty-three".