12874855636 has 24 divisors (see below), whose sum is σ = 23521244544. Its totient is φ = 6154753440.

The previous prime is 12874855607. The next prime is 12874855657. The reversal of 12874855636 is 63655847821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180441 + ... + 241471.

It is an arithmetic number, because the mean of its divisors is an integer number (980051856).

Almost surely, 2^12874855636 is an apocalyptic number.

It is an amenable number.

12874855636 is a deficient number, since it is larger than the sum of its proper divisors (10646388908).

12874855636 is a wasteful number, since it uses less digits than its factorization.

12874855636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63351 (or 63349 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 55.

The spelling of 12874855636 in words is "twelve billion, eight hundred seventy-four million, eight hundred fifty-five thousand, six hundred thirty-six".