1326880 has 24 divisors (see below), whose sum is σ = 3135132. Its totient is φ = 530688.

The previous prime is 1326869. The next prime is 1326881. The reversal of 1326880 is 886231.

It can be written as a sum of positive squares in 2 ways, for example, as 1263376 + 63504 = 1124^2 + 252^2 .

It is a super-2 number, since 2×1326880² = 3521221068800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1326881) 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, 3987 + ... + 4306.

2^1326880 is an apocalyptic number.

1326880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326880 is an abundant number, since it is smaller than the sum of its proper divisors (1808252).

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

1326880 is an equidigital number, since it uses as much as digits as its factorization.

1326880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308 (or 8300 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1326880 is about 1151.9027736749. The cubic root of 1326880 is about 109.8863840671.

The spelling of 1326880 in words is "one million, three hundred twenty-six thousand, eight hundred eighty".