12826853436 has 24 divisors (see below), whose sum is σ = 29947924944. Its totient is φ = 4272960640.

The previous prime is 12826853411. The next prime is 12826853437. The reversal of 12826853436 is 63435862821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826853437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311985 + ... + 350696.

It is an arithmetic number, because the mean of its divisors is an integer number (1247830206).

Almost surely, 2^12826853436 is an apocalyptic number.

It is an amenable number.

12826853436 is an abundant number, since it is smaller than the sum of its proper divisors (17121071508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12826853436 is a wasteful number, since it uses less digits than its factorization.

12826853436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664301 (or 664299 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The spelling of 12826853436 in words is "twelve billion, eight hundred twenty-six million, eight hundred fifty-three thousand, four hundred thirty-six".