12826166 has 4 divisors (see below), whose sum is σ = 19239252. Its totient is φ = 6413082.

The previous prime is 12826141. The next prime is 12826171. The reversal of 12826166 is 66162821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206540 + ... + 3206543.

It is an arithmetic number, because the mean of its divisors is an integer number (4809813).

Almost surely, 2^12826166 is an apocalyptic number.

12826166 is a deficient number, since it is larger than the sum of its proper divisors (6413086).

12826166 is an equidigital number, since it uses as much as digits as its factorization.

12826166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413085.

The product of its digits is 6912, while the sum is 32.

The square root of 12826166 is about 3581.3637067464. The cubic root of 12826166 is about 234.0807060841.

Adding to 12826166 its reverse (66162821), we get a palindrome (78988987).

The spelling of 12826166 in words is "twelve million, eight hundred twenty-six thousand, one hundred sixty-six".