12683279 has 16 divisors (see below), whose sum is σ = 15590400. Its totient is φ = 10075104.

The previous prime is 12683269. The next prime is 12683287. The reversal of 12683279 is 97238621.

It is a cyclic number.

It is not a de Polignac number, because 12683279 - 2⁴ = 12683263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12683249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5237 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (974400).

Almost surely, 2^12683279 is an apocalyptic number.

12683279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12683279 is a deficient number, since it is larger than the sum of its proper divisors (2907121).

12683279 is a wasteful number, since it uses less digits than its factorization.

12683279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102.

The product of its digits is 36288, while the sum is 38.

The square root of 12683279 is about 3561.3591506614. The cubic root of 12683279 is about 233.2082170500.

The spelling of 12683279 in words is "twelve million, six hundred eighty-three thousand, two hundred seventy-nine".