1393263 has 6 divisors (see below), whose sum is σ = 2012504. Its totient is φ = 928836.

The previous prime is 1393261. The next prime is 1393283. The reversal of 1393263 is 3623931.

It is not a de Polignac number, because 1393263 - 2¹ = 1393261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393261) 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 5 ways as a sum of consecutive naturals, for example, 77395 + ... + 77412.

2^1393263 is an apocalyptic number.

1393263 is a deficient number, since it is larger than the sum of its proper divisors (619241).

1393263 is a wasteful number, since it uses less digits than its factorization.

1393263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154813 (or 154810 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 1393263 is about 1180.3656213225. The cubic root of 1393263 is about 111.6891625676.

The spelling of 1393263 in words is "one million, three hundred ninety-three thousand, two hundred sixty-three".