1330992 has 100 divisors (see below), whose sum is σ = 4201120. Its totient is φ = 404352.

The previous prime is 1330963. The next prime is 1330997. The reversal of 1330992 is 2990331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1330997) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16809 + ... + 16887.

2^1330992 is an apocalyptic number.

1330992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2100560).

1330992 is an abundant number, since it is smaller than the sum of its proper divisors (2870128).

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

1330992 is a wasteful number, since it uses less digits than its factorization.

1330992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 1330992 is about 1153.6862658453. The cubic root of 1330992 is about 109.9997796139. Note that the first 3 decimals are identical.

The spelling of 1330992 in words is "one million, three hundred thirty thousand, nine hundred ninety-two".