1329963 has 8 divisors (see below), whose sum is σ = 1783248. Its totient is φ = 881664.

The previous prime is 1329953. The next prime is 1329971. The reversal of 1329963 is 3699231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1329963 - 2⁶ = 1329899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1329953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (222906).

2^1329963 is an apocalyptic number.

1329963 is a deficient number, since it is larger than the sum of its proper divisors (453285).

1329963 is a wasteful number, since it uses less digits than its factorization.

1329963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493.

The product of its digits is 8748, while the sum is 33.

The square root of 1329963 is about 1153.2402178211. The cubic root of 1329963 is about 109.9714250846.

The spelling of 1329963 in words is "one million, three hundred twenty-nine thousand, nine hundred sixty-three".