12694323620 has 48 divisors (see below), whose sum is σ = 29630276928. Its totient is φ = 4529016960.

The previous prime is 12694323571. The next prime is 12694323667. The reversal of 12694323620 is 2632349621.

It is a super-2 number, since 2×12694323620² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 532694 + ... + 556013.

It is an arithmetic number, because the mean of its divisors is an integer number (617297436).

Almost surely, 2^12694323620 is an apocalyptic number.

12694323620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12694323620 is an abundant number, since it is smaller than the sum of its proper divisors (16935953308).

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

12694323620 is a wasteful number, since it uses less digits than its factorization.

12694323620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088780 (or 1088778 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 12694323620 in words is "twelve billion, six hundred ninety-four million, three hundred twenty-three thousand, six hundred twenty".