1393271 has 8 divisors (see below), whose sum is σ = 1586304. Its totient is φ = 1211320.

The previous prime is 1393261. The next prime is 1393283. The reversal of 1393271 is 1723931.

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

It is a de Polignac number, because none of the positive numbers 2^k-1393271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1393271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393241) 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 7 ways as a sum of consecutive naturals, for example, 2501 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (198288).

2^1393271 is an apocalyptic number.

1393271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1393271 is a deficient number, since it is larger than the sum of its proper divisors (193033).

1393271 is a wasteful number, since it uses less digits than its factorization.

1393271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541.

The product of its digits is 1134, while the sum is 26.

The square root of 1393271 is about 1180.3690100981. The cubic root of 1393271 is about 111.6893763371.

The spelling of 1393271 in words is "one million, three hundred ninety-three thousand, two hundred seventy-one".