1323245 has 24 divisors (see below), whose sum is σ = 2019168. Its totient is φ = 823200.

The previous prime is 1323233. The next prime is 1323247. The reversal of 1323245 is 5423231.

It is a happy number.

It is not a de Polignac number, because 1323245 - 2¹⁰ = 1322221 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2450 + ... + 2940.

It is an arithmetic number, because the mean of its divisors is an integer number (84132).

2^1323245 is an apocalyptic number.

It is an amenable number.

1323245 is a deficient number, since it is larger than the sum of its proper divisors (695923).

1323245 is a wasteful number, since it uses less digits than its factorization.

1323245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 514 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 1323245 is about 1150.3238674391. The cubic root of 1323245 is about 109.7859473745.

Adding to 1323245 its reverse (5423231), we get a palindrome (6746476).

The spelling of 1323245 in words is "one million, three hundred twenty-three thousand, two hundred forty-five".