1326280 has 32 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 521920.

The previous prime is 1326277. The next prime is 1326287. The reversal of 1326280 is 826231.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1326287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (94770).

2^1326280 is an apocalyptic number.

1326280 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 1326280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516320).

1326280 is an abundant number, since it is smaller than the sum of its proper divisors (1706360).

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

1326280 is a wasteful number, since it uses less digits than its factorization.

1326280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1326280 is about 1151.6423055793. The cubic root of 1326280 is about 109.8698184468.

The spelling of 1326280 in words is "one million, three hundred twenty-six thousand, two hundred eighty".