12963279 has 16 divisors (see below), whose sum is σ = 19900160. Its totient is φ = 7352640.

The previous prime is 12963277. The next prime is 12963287. The reversal of 12963279 is 97236921.

It is not a de Polignac number, because 12963279 - 2¹ = 12963277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12963277) 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, 699 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (1243760).

Almost surely, 2^12963279 is an apocalyptic number.

12963279 is a deficient number, since it is larger than the sum of its proper divisors (6936881).

12963279 is a wasteful number, since it uses less digits than its factorization.

12963279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590.

The product of its digits is 40824, while the sum is 39.

The square root of 12963279 is about 3600.4553878642. The cubic root of 12963279 is about 234.9118667549.

The spelling of 12963279 in words is "twelve million, nine hundred sixty-three thousand, two hundred seventy-nine".