1326355 has 4 divisors (see below), whose sum is σ = 1591632. Its totient is φ = 1061080.

The previous prime is 1326349. The next prime is 1326359. The reversal of 1326355 is 5536231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5536231 = 139 ⋅39829.

It is not a de Polignac number, because 1326355 - 2¹⁵ = 1293587 is a prime.

It is a Duffinian number.

1326355 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1326359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132631 + ... + 132640.

It is an arithmetic number, because the mean of its divisors is an integer number (397908).

2^1326355 is an apocalyptic number.

1326355 is a deficient number, since it is larger than the sum of its proper divisors (265277).

1326355 is an equidigital number, since it uses as much as digits as its factorization.

1326355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265276.

The product of its digits is 2700, while the sum is 25.

The square root of 1326355 is about 1151.6748673128. The cubic root of 1326355 is about 109.8718894225.

It can be divided in two parts, 1326 and 355, that added together give a square (1681 = 41²).

The spelling of 1326355 in words is "one million, three hundred twenty-six thousand, three hundred fifty-five".