1326730 has 16 divisors (see below), whose sum is σ = 2404584. Its totient is φ = 527040.

The previous prime is 1326727. The next prime is 1326739. The reversal of 1326730 is 376231.

It can be written as a sum of positive squares in 4 ways, for example, as 1038361 + 288369 = 1019^2 + 537^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1326739) 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, 1444 + ... + 2176.

2^1326730 is an apocalyptic number.

1326730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326730 is a deficient number, since it is larger than the sum of its proper divisors (1077854).

1326730 is a wasteful number, since it uses less digits than its factorization.

1326730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1326730 is about 1151.8376621729. The cubic root of 1326730 is about 109.8822431303.

The spelling of 1326730 in words is "one million, three hundred twenty-six thousand, seven hundred thirty".