1322512 has 10 divisors (see below), whose sum is σ = 2562398. Its totient is φ = 661248.

The previous prime is 1322507. The next prime is 1322521. The reversal of 1322512 is 2152231.

It can be written as a sum of positive squares in only one way, i.e., 1175056 + 147456 = 1084^2 + 384^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 82657 = 1322512 / (1 + 3 + 2 + 2 + 5 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41313 + ... + 41344.

2^1322512 is an apocalyptic number.

It is an amenable number.

1322512 is a deficient number, since it is larger than the sum of its proper divisors (1239886).

1322512 is an equidigital number, since it uses as much as digits as its factorization.

1322512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82665 (or 82659 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 1322512 is about 1150.0052173795. The cubic root of 1322512 is about 109.7656719750.

Adding to 1322512 its reverse (2152231), we get a palindrome (3474743).

The spelling of 1322512 in words is "one million, three hundred twenty-two thousand, five hundred twelve".