12684459702 has 32 divisors (see below), whose sum is σ = 25743446784. Its totient is φ = 4165812000.

The previous prime is 12684459607. The next prime is 12684459703. The reversal of 12684459702 is 20795448621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12684459703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683952 + ... + 702252.

It is an arithmetic number, because the mean of its divisors is an integer number (804482712).

Almost surely, 2^12684459702 is an apocalyptic number.

12684459702 is an abundant number, since it is smaller than the sum of its proper divisors (13058987082).

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

12684459702 is a wasteful number, since it uses less digits than its factorization.

12684459702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 12684459702 in words is "twelve billion, six hundred eighty-four million, four hundred fifty-nine thousand, seven hundred two".