12718279 has 8 divisors (see below), whose sum is σ = 14734880. Its totient is φ = 10751616.

The previous prime is 12718273. The next prime is 12718291. The reversal of 12718279 is 97281721.

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 12718279 - 2¹⁵ = 12685511 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 (12718273) 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, 11934 + ... + 12955.

It is an arithmetic number, because the mean of its divisors is an integer number (1841860).

Almost surely, 2^12718279 is an apocalyptic number.

12718279 is a deficient number, since it is larger than the sum of its proper divisors (2016601).

12718279 is an equidigital number, since it uses as much as digits as its factorization.

12718279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24969.

The product of its digits is 14112, while the sum is 37.

The square root of 12718279 is about 3566.2696196446. The cubic root of 12718279 is about 233.4225357352.

The spelling of 12718279 in words is "twelve million, seven hundred eighteen thousand, two hundred seventy-nine".