1329792 has 32 divisors (see below), whose sum is σ = 3533280. Its totient is φ = 443136.

The previous prime is 1329787. The next prime is 1329799. The reversal of 1329792 is 2979231.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1329799) 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, 1348 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (110415).

2^1329792 is an apocalyptic number.

1329792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1329792 is an abundant number, since it is smaller than the sum of its proper divisors (2203488).

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

1329792 is an equidigital number, since it uses as much as digits as its factorization.

1329792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3468 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 1329792 is about 1153.1660765042. The cubic root of 1329792 is about 109.9667116904.

The spelling of 1329792 in words is "one million, three hundred twenty-nine thousand, seven hundred ninety-two".