1326523 has 12 divisors (see below), whose sum is σ = 1537480. Its totient is φ = 1140480.

The previous prime is 1326511. The next prime is 1326529. The reversal of 1326523 is 3256231.

It is not a de Polignac number, because 1326523 - 2⁵ = 1326491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1326494 and 1326503.

It is not an unprimeable number, because it can be changed into a prime (1326529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2011 + ... + 2587.

2^1326523 is an apocalyptic number.

1326523 is a deficient number, since it is larger than the sum of its proper divisors (210957).

1326523 is a wasteful number, since it uses less digits than its factorization.

1326523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 607 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 1326523 is about 1151.7478022553. The cubic root of 1326523 is about 109.8765281249.

It can be divided in two parts, 1326 and 523, that added together give a square (1849 = 43²).

The spelling of 1326523 in words is "one million, three hundred twenty-six thousand, five hundred twenty-three".