12653575127436 has 72 divisors (see below), whose sum is σ = 30292097294592. Its totient is φ = 4110985769600.

The previous prime is 12653575127371. The next prime is 12653575127449. The reversal of 12653575127436 is 63472157535621.

It is a super-2 number, since 2×12653575127436² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20493121 + ... + 21101543.

It is an arithmetic number, because the mean of its divisors is an integer number (420723573536).

Almost surely, 2^{12653575127436} is an apocalyptic number.

It is an amenable number.

12653575127436 is an abundant number, since it is smaller than the sum of its proper divisors (17638522167156).

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

12653575127436 is a wasteful number, since it uses less digits than its factorization.

12653575127436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609543 (or 609500 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 57.

The spelling of 12653575127436 in words is "twelve trillion, six hundred fifty-three billion, five hundred seventy-five million, one hundred twenty-seven thousand, four hundred thirty-six".