12783461406 has 32 divisors (see below), whose sum is σ = 28004343840. Its totient is φ = 3872203776.

The previous prime is 12783461329. The next prime is 12783461417. The reversal of 12783461406 is 60416438721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2157871 + ... + 2163786.

It is an arithmetic number, because the mean of its divisors is an integer number (875135745).

Almost surely, 2^12783461406 is an apocalyptic number.

12783461406 is an abundant number, since it is smaller than the sum of its proper divisors (15220882434).

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

12783461406 is a wasteful number, since it uses less digits than its factorization.

12783461406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321708.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 12783461406 in words is "twelve billion, seven hundred eighty-three million, four hundred sixty-one thousand, four hundred six".