1356223 has 8 divisors (see below), whose sum is σ = 1491840. Its totient is φ = 1222680.

The previous prime is 1356221. The next prime is 1356227. The reversal of 1356223 is 3226531.

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

It is a cyclic number.

It is not a de Polignac number, because 1356223 - 2¹ = 1356221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1356194 and 1356203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356221) 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, 1086 + ... + 1972.

It is an arithmetic number, because the mean of its divisors is an integer number (186480).

2^1356223 is an apocalyptic number.

1356223 is a deficient number, since it is larger than the sum of its proper divisors (135617).

1356223 is a wasteful number, since it uses less digits than its factorization.

1356223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

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

The square root of 1356223 is about 1164.5698776802. The cubic root of 1356223 is about 110.6905048968.

The spelling of 1356223 in words is "one million, three hundred fifty-six thousand, two hundred twenty-three".