12779462 has 4 divisors (see below), whose sum is σ = 19169196. Its totient is φ = 6389730.

The previous prime is 12779449. The next prime is 12779483. The reversal of 12779462 is 26497721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26497721 = 53 ⋅499957.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194864 + ... + 3194867.

It is an arithmetic number, because the mean of its divisors is an integer number (4792299).

Almost surely, 2^12779462 is an apocalyptic number.

12779462 is a deficient number, since it is larger than the sum of its proper divisors (6389734).

12779462 is an equidigital number, since it uses as much as digits as its factorization.

12779462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389733.

The product of its digits is 42336, while the sum is 38.

The square root of 12779462 is about 3574.8373389568. The cubic root of 12779462 is about 233.7962406733.

The spelling of 12779462 in words is "twelve million, seven hundred seventy-nine thousand, four hundred sixty-two".