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13386223 = 89150407
BaseRepresentation
bin110011000100…
…000111101111
3221012002110001
4303010013233
511411324343
61154525131
7221531614
oct63040757
927162401
1013386223
1176132a4
1245967a7
132a08c56
141ac650b
15129644d
hexcc41ef

13386223 has 4 divisors (see below), whose sum is σ = 13536720. Its totient is φ = 13235728.

The previous prime is 13386209. The next prime is 13386227. The reversal of 13386223 is 32268331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32268331 = 67347947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13386223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13386191 and 13386200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13386227) 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 3 ways as a sum of consecutive naturals, for example, 75115 + ... + 75292.

It is an arithmetic number, because the mean of its divisors is an integer number (3384180).

Almost surely, 213386223 is an apocalyptic number.

13386223 is a deficient number, since it is larger than the sum of its proper divisors (150497).

13386223 is an equidigital number, since it uses as much as digits as its factorization.

13386223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150496.

The product of its digits is 5184, while the sum is 28.

The square root of 13386223 is about 3658.7187648137. The cubic root of 13386223 is about 237.4393448060.

The spelling of 13386223 in words is "thirteen million, three hundred eighty-six thousand, two hundred twenty-three".

Divisors: 1 89 150407 13386223