1323522 has 12 divisors (see below), whose sum is σ = 2867670. Its totient is φ = 441168.

The previous prime is 1323503. The next prime is 1323529. The reversal of 1323522 is 2253231.

It can be written as a sum of positive squares in only one way, i.e., 1022121 + 301401 = 1011^2 + 549^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 73529 = 1323522 / (1 + 3 + 2 + 3 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1323495 and 1323504.

It is not an unprimeable number, because it can be changed into a prime (1323529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36747 + ... + 36782.

2^1323522 is an apocalyptic number.

1323522 is an abundant number, since it is smaller than the sum of its proper divisors (1544148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323522 is a wasteful number, since it uses less digits than its factorization.

1323522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73537 (or 73534 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 1323522 is about 1150.4442620136. Note that the first 3 decimals coincide. The cubic root of 1323522 is about 109.7936074792.

Adding to 1323522 its reverse (2253231), we get a palindrome (3576753).

The spelling of 1323522 in words is "one million, three hundred twenty-three thousand, five hundred twenty-two".