1327620 has 96 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 290304.

The previous prime is 1327619. The next prime is 1327631. The reversal of 1327620 is 267231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12126 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (46200).

2^1327620 is an apocalyptic number.

1327620 is a gapful number since it is divisible by the number (10) 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 1327620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2217600).

1327620 is an abundant number, since it is smaller than the sum of its proper divisors (3107580).

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

1327620 is a wasteful number, since it uses less digits than its factorization.

1327620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1327620 is about 1152.2239365679. The cubic root of 1327620 is about 109.9068081226.

The spelling of 1327620 in words is "one million, three hundred twenty-seven thousand, six hundred twenty".