1326790 has 8 divisors (see below), whose sum is σ = 2388240. Its totient is φ = 530712.

The previous prime is 1326781. The next prime is 1326791. The reversal of 1326790 is 976231.

1326790 = 248² + 249² + ... + 267².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66330 + ... + 66349.

It is an arithmetic number, because the mean of its divisors is an integer number (298530).

2^1326790 is an apocalyptic number.

1326790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326790 is a deficient number, since it is larger than the sum of its proper divisors (1061450).

1326790 is a wasteful number, since it uses less digits than its factorization.

1326790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132686.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1326790 is about 1151.8637072154. The cubic root of 1326790 is about 109.8838995424.

It can be divided in two parts, 1326 and 790, that added together give a square (2116 = 46²).

The spelling of 1326790 in words is "one million, three hundred twenty-six thousand, seven hundred ninety".