12799634 has 4 divisors (see below), whose sum is σ = 19199454. Its totient is φ = 6399816.

The previous prime is 12799627. The next prime is 12799639. The reversal of 12799634 is 43699721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43699721 = 13 ⋅3361517.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 5536609 = 2695^2 + 2353^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12799591 and 12799600.

It is not an unprimeable number, because it can be changed into a prime (12799639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199907 + ... + 3199910.

Almost surely, 2^12799634 is an apocalyptic number.

12799634 is a deficient number, since it is larger than the sum of its proper divisors (6399820).

12799634 is an equidigital number, since it uses as much as digits as its factorization.

12799634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399819.

The product of its digits is 81648, while the sum is 41.

The square root of 12799634 is about 3577.6576135790. The cubic root of 12799634 is about 233.9191894723.

The spelling of 12799634 in words is "twelve million, seven hundred ninety-nine thousand, six hundred thirty-four".