1328700 has 72 divisors (see below), whose sum is σ = 3971968. Its totient is φ = 342720.

The previous prime is 1328699. The next prime is 1328711. The reversal of 1328700 is 78231.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12849 + ... + 12951.

2^1328700 is an apocalyptic number.

1328700 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 1328700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985984).

1328700 is an abundant number, since it is smaller than the sum of its proper divisors (2643268).

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

1328700 is a wasteful number, since it uses less digits than its factorization.

1328700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1328700 is about 1152.6925001925. The cubic root of 1328700 is about 109.9366025870.

The spelling of 1328700 in words is "one million, three hundred twenty-eight thousand, seven hundred".