12779126 has 16 divisors (see below), whose sum is σ = 19843488. Its totient is φ = 6168000.

The previous prime is 12779101. The next prime is 12779131. The reversal of 12779126 is 62197721.

It is a super-2 number, since 2×12779126² = 326612122647752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7511 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (1240218).

Almost surely, 2^12779126 is an apocalyptic number.

12779126 is a deficient number, since it is larger than the sum of its proper divisors (7064362).

12779126 is a wasteful number, since it uses less digits than its factorization.

12779126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its digits is 10584, while the sum is 35.

The square root of 12779126 is about 3574.7903435027. The cubic root of 12779126 is about 233.7941916505.

The spelling of 12779126 in words is "twelve million, seven hundred seventy-nine thousand, one hundred twenty-six".