1386223 has 2 divisors, whose sum is σ = 1386224. Its totient is φ = 1386222.

The previous prime is 1386211. The next prime is 1386239. The reversal of 1386223 is 3226831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1386223 - 2¹³ = 1378031 is a prime.

It is a super-2 number, since 2×1386223² = 3843228411458, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 3 + 8⁶ + 6⁵ + 2¹⁶ + 2²⁰ + 3⁷ .

1386223 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386263) 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 as a sum of consecutive naturals, namely, 693111 + 693112.

It is an arithmetic number, because the mean of its divisors is an integer number (693112).

2^1386223 is an apocalyptic number.

1386223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386223 is an equidigital number, since it uses as much as digits as its factorization.

1386223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 1386223 is about 1177.3797178481. The cubic root of 1386223 is about 111.5007272704.

The spelling of 1386223 in words is "one million, three hundred eighty-six thousand, two hundred twenty-three".