1393306 has 4 divisors (see below), whose sum is σ = 2089962. Its totient is φ = 696652.

The previous prime is 1393297. The next prime is 1393313. The reversal of 1393306 is 6033931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 259081 = 1065^2 + 509^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348325 + ... + 348328.

2^1393306 is an apocalyptic number.

1393306 is a deficient number, since it is larger than the sum of its proper divisors (696656).

1393306 is an equidigital number, since it uses as much as digits as its factorization.

1393306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696655.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 1393306 is about 1180.3838358771. The cubic root of 1393306 is about 111.6903115693.

The spelling of 1393306 in words is "one million, three hundred ninety-three thousand, three hundred six".