1366326 has 24 divisors (see below), whose sum is σ = 3188640. Its totient is φ = 420336.

The previous prime is 1366303. The next prime is 1366327. The reversal of 1366326 is 6236631.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1366326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366327) 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 11 ways as a sum of consecutive naturals, for example, 2686 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (132860).

2^1366326 is an apocalyptic number.

1366326 is an abundant number, since it is smaller than the sum of its proper divisors (1822314).

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

1366326 is a wasteful number, since it uses less digits than its factorization.

1366326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860 (or 5857 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 1366326 is about 1168.8994824193. The cubic root of 1366326 is about 110.9646831886.

It can be divided in two parts, 13663 and 26, that added together give a square (13689 = 117²).

The spelling of 1366326 in words is "one million, three hundred sixty-six thousand, three hundred twenty-six".