12429836 has 12 divisors (see below), whose sum is σ = 21816312. Its totient is φ = 6196608.

The previous prime is 12429811. The next prime is 12429841. The reversal of 12429836 is 63892421.

12429836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12429796 and 12429805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (1818026).

Almost surely, 2^12429836 is an apocalyptic number.

It is an amenable number.

12429836 is a deficient number, since it is larger than the sum of its proper divisors (9386476).

12429836 is a wasteful number, since it uses less digits than its factorization.

12429836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160 (or 9158 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 12429836 is about 3525.5972543670. The cubic root of 12429836 is about 231.6443967574.

The spelling of 12429836 in words is "twelve million, four hundred twenty-nine thousand, eight hundred thirty-six".