12407636432 has 10 divisors (see below), whose sum is σ = 24039795618. Its totient is φ = 6203818208.

The previous prime is 12407636389. The next prime is 12407636441. The reversal of 12407636432 is 23463670421.

It can be written as a sum of positive squares in only one way, i.e., 10317683776 + 2089952656 = 101576^2 + 45716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387738623 + ... + 387738654.

Almost surely, 2^12407636432 is an apocalyptic number.

It is an amenable number.

12407636432 is a deficient number, since it is larger than the sum of its proper divisors (11632159186).

12407636432 is an equidigital number, since it uses as much as digits as its factorization.

12407636432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775477285 (or 775477279 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 12407636432 in words is "twelve billion, four hundred seven million, six hundred thirty-six thousand, four hundred thirty-two".