12693589746 has 32 divisors (see below), whose sum is σ = 25480531968. Its totient is φ = 4215661200.

The previous prime is 12693589703. The next prime is 12693589757. The reversal of 12693589746 is 64798539621.

It is a super-2 number, since 2×12693589746² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12693589746.

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 15 ways as a sum of consecutive naturals, for example, 3131421 + ... + 3135471.

It is an arithmetic number, because the mean of its divisors is an integer number (796266624).

Almost surely, 2^12693589746 is an apocalyptic number.

12693589746 is an abundant number, since it is smaller than the sum of its proper divisors (12786942222).

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

12693589746 is a wasteful number, since it uses less digits than its factorization.

12693589746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846.

The product of its digits is 19595520, while the sum is 60.

The spelling of 12693589746 in words is "twelve billion, six hundred ninety-three million, five hundred eighty-nine thousand, seven hundred forty-six".