12779283 has 32 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 7293440.

The previous prime is 12779233. The next prime is 12779287. The reversal of 12779283 is 38297721.

It is not a de Polignac number, because 12779283 - 2⁸ = 12779027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12779287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85693 + ... + 85841.

It is an arithmetic number, because the mean of its divisors is an integer number (615600).

Almost surely, 2^12779283 is an apocalyptic number.

12779283 is a deficient number, since it is larger than the sum of its proper divisors (6919917).

12779283 is a wasteful number, since it uses less digits than its factorization.

12779283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its digits is 42336, while the sum is 39.

The square root of 12779283 is about 3574.8123027650. The cubic root of 12779283 is about 233.7951490853.

The spelling of 12779283 in words is "twelve million, seven hundred seventy-nine thousand, two hundred eighty-three".