12400684 has 24 divisors (see below), whose sum is σ = 23517648. Its totient is φ = 5698560.

The previous prime is 12400669. The next prime is 12400691. The reversal of 12400684 is 48600421.

12400684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 804 + ... + 5044.

It is an arithmetic number, because the mean of its divisors is an integer number (979902).

Almost surely, 2^12400684 is an apocalyptic number.

It is an amenable number.

12400684 is a deficient number, since it is larger than the sum of its proper divisors (11116964).

12400684 is a wasteful number, since it uses less digits than its factorization.

12400684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4303 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12400684 is about 3521.4604924662. The cubic root of 12400684 is about 231.4631612316.

The spelling of 12400684 in words is "twelve million, four hundred thousand, six hundred eighty-four".