1353205 has 24 divisors (see below), whose sum is σ = 1984896. Its totient is φ = 865920.

The previous prime is 1353197. The next prime is 1353221. The reversal of 1353205 is 5023531.

It is not a de Polignac number, because 1353205 - 2³ = 1353197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32985 + ... + 33025.

It is an arithmetic number, because the mean of its divisors is an integer number (82704).

2^1353205 is an apocalyptic number.

It is an amenable number.

1353205 is a deficient number, since it is larger than the sum of its proper divisors (631691).

1353205 is an equidigital number, since it uses as much as digits as its factorization.

1353205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1353205 is about 1163.2733986471. The cubic root of 1353205 is about 110.6083374736.

Adding to 1353205 its reverse (5023531), we get a palindrome (6376736).

The spelling of 1353205 in words is "one million, three hundred fifty-three thousand, two hundred five".