12634826 has 4 divisors (see below), whose sum is σ = 18952242. Its totient is φ = 6317412.

The previous prime is 12634799. The next prime is 12634861. The reversal of 12634826 is 62843621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62843621 = 19 ⋅3307559.

It can be written as a sum of positive squares in only one way, i.e., 9928801 + 2706025 = 3151^2 + 1645^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12634792 and 12634801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3158705 + ... + 3158708.

Almost surely, 2^12634826 is an apocalyptic number.

12634826 is a deficient number, since it is larger than the sum of its proper divisors (6317416).

12634826 is an equidigital number, since it uses as much as digits as its factorization.

12634826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317415.

The product of its digits is 13824, while the sum is 32.

The square root of 12634826 is about 3554.5500418478. The cubic root of 12634826 is about 232.9108686694.

The spelling of 12634826 in words is "twelve million, six hundred thirty-four thousand, eight hundred twenty-six".