1327992 has 16 divisors (see below), whose sum is σ = 3320040. Its totient is φ = 442656.

The previous prime is 1327987. The next prime is 1327999. The reversal of 1327992 is 2997231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327999) 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, 27643 + ... + 27690.

2^1327992 is an apocalyptic number.

1327992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1327992 is an abundant number, since it is smaller than the sum of its proper divisors (1992048).

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

1327992 is a wasteful number, since it uses less digits than its factorization.

1327992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55342 (or 55338 counting only the distinct ones).

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

The square root of 1327992 is about 1152.3853522151. The cubic root of 1327992 is about 109.9170724840.

The spelling of 1327992 in words is "one million, three hundred twenty-seven thousand, nine hundred ninety-two".