12826791 has 6 divisors (see below), whose sum is σ = 18527600. Its totient is φ = 8551188.

The previous prime is 12826763. The next prime is 12826799. The reversal of 12826791 is 19762821.

It is not a de Polignac number, because 12826791 - 2¹¹ = 12824743 is a prime.

It is a super-3 number, since 3×12826791³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826799) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 712591 + ... + 712608.

Almost surely, 2^12826791 is an apocalyptic number.

12826791 is a deficient number, since it is larger than the sum of its proper divisors (5700809).

12826791 is a wasteful number, since it uses less digits than its factorization.

12826791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425205 (or 1425202 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 12826791 is about 3581.4509629478. The cubic root of 12826791 is about 234.0845081572.

The spelling of 12826791 in words is "twelve million, eight hundred twenty-six thousand, seven hundred ninety-one".