12408732392 has 32 divisors (see below), whose sum is σ = 27746236800. Its totient is φ = 5086809024.

The previous prime is 12408732373. The next prime is 12408732397. The reversal of 12408732392 is 29323780421.

It is not an unprimeable number, because it can be changed into a prime (12408732397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4815767 + ... + 4818342.

It is an arithmetic number, because the mean of its divisors is an integer number (867069900).

Almost surely, 2^12408732392 is an apocalyptic number.

It is an amenable number.

12408732392 is an abundant number, since it is smaller than the sum of its proper divisors (15337504408).

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

12408732392 is a wasteful number, since it uses less digits than its factorization.

12408732392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634145 (or 9634141 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 12408732392 in words is "twelve billion, four hundred eight million, seven hundred thirty-two thousand, three hundred ninety-two".