1329772 has 12 divisors (see below), whose sum is σ = 2449720. Its totient is φ = 629856.

The previous prime is 1329767. The next prime is 1329787. The reversal of 1329772 is 2779231.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8673 + ... + 8824.

2^1329772 is an apocalyptic number.

It is an amenable number.

1329772 is a deficient number, since it is larger than the sum of its proper divisors (1119948).

1329772 is a wasteful number, since it uses less digits than its factorization.

1329772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520 (or 17518 counting only the distinct ones).

The product of its digits is 5292, while the sum is 31.

The square root of 1329772 is about 1153.1574046937. The cubic root of 1329772 is about 109.9661603898.

The spelling of 1329772 in words is "one million, three hundred twenty-nine thousand, seven hundred seventy-two".