1279315 has 8 divisors (see below), whose sum is σ = 1541808. Its totient is φ = 1019040.

The previous prime is 1279309. The next prime is 1279319. The reversal of 1279315 is 5139721.

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

It is not a de Polignac number, because 1279315 - 2³ = 1279307 is a prime.

It is a Duffinian number.

1279315 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1279319) 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, 1269 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (192726).

2^1279315 is an apocalyptic number.

1279315 is a deficient number, since it is larger than the sum of its proper divisors (262493).

1279315 is an equidigital number, since it uses as much as digits as its factorization.

1279315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its digits is 1890, while the sum is 28.

The square root of 1279315 is about 1131.0680792950. The cubic root of 1279315 is about 108.5573327070.

The spelling of 1279315 in words is "one million, two hundred seventy-nine thousand, three hundred fifteen".