1279393 has 8 divisors (see below), whose sum is σ = 1336680. Its totient is φ = 1223040.

The previous prime is 1279361. The next prime is 1279417. The reversal of 1279393 is 3939721.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 1096209 = 428^2 + 1047^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1279393 - 2⁵ = 1279361 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1279303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4413 + ... + 4693.

It is an arithmetic number, because the mean of its divisors is an integer number (167085).

2^1279393 is an apocalyptic number.

It is an amenable number.

1279393 is a deficient number, since it is larger than the sum of its proper divisors (57287).

1279393 is a wasteful number, since it uses less digits than its factorization.

1279393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 10206, while the sum is 34.

The square root of 1279393 is about 1131.1025594525. The cubic root of 1279393 is about 108.5595389137.

It can be divided in two parts, 127 and 9393, that multiplied together give a palindrome (1192911).

The spelling of 1279393 in words is "one million, two hundred seventy-nine thousand, three hundred ninety-three".