1323472 has 20 divisors (see below), whose sum is σ = 2584036. Its totient is φ = 656640.

The previous prime is 1323461. The next prime is 1323479. The reversal of 1323472 is 2743231.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 839056 = 696^2 + 916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323479) 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, 2668 + ... + 3124.

2^1323472 is an apocalyptic number.

It is an amenable number.

1323472 is a deficient number, since it is larger than the sum of its proper divisors (1260564).

1323472 is a wasteful number, since it uses less digits than its factorization.

1323472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 640 counting only the distinct ones).

The product of its digits is 1008, while the sum is 22.

The square root of 1323472 is about 1150.4225310728. The cubic root of 1323472 is about 109.7922248678.

The spelling of 1323472 in words is "one million, three hundred twenty-three thousand, four hundred seventy-two".