1323980 has 48 divisors (see below), whose sum is σ = 3259200. Its totient is φ = 451584.

The previous prime is 1323967. The next prime is 1323997. The reversal of 1323980 is 893231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6764 + ... + 6956.

It is an arithmetic number, because the mean of its divisors is an integer number (67900).

2^1323980 is an apocalyptic number.

1323980 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 1323980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629600).

1323980 is an abundant number, since it is smaller than the sum of its proper divisors (1935220).

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

1323980 is a wasteful number, since it uses less digits than its factorization.

1323980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1323980 is about 1150.6432983336. The cubic root of 1323980 is about 109.8062705788.

The spelling of 1323980 in words is "one million, three hundred twenty-three thousand, nine hundred eighty".