12400652 has 12 divisors (see below), whose sum is σ = 23674056. Its totient is φ = 5636640.

The previous prime is 12400643. The next prime is 12400669. The reversal of 12400652 is 25600421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140873 + ... + 140960.

It is an arithmetic number, because the mean of its divisors is an integer number (1972838).

Almost surely, 2^12400652 is an apocalyptic number.

It is an amenable number.

12400652 is a deficient number, since it is larger than the sum of its proper divisors (11273404).

12400652 is a wasteful number, since it uses less digits than its factorization.

12400652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281848 (or 281846 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12400652 is about 3521.4559488939. The cubic root of 12400652 is about 231.4629621343.

The spelling of 12400652 in words is "twelve million, four hundred thousand, six hundred fifty-two".