12487746036 has 12 divisors (see below), whose sum is σ = 29138074112. Its totient is φ = 4162582008.

The previous prime is 12487745989. The next prime is 12487746053. The reversal of 12487746036 is 63064778421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 520322740 + ... + 520322763.

Almost surely, 2^12487746036 is an apocalyptic number.

It is an amenable number.

12487746036 is an abundant number, since it is smaller than the sum of its proper divisors (16650328076).

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

12487746036 is a wasteful number, since it uses less digits than its factorization.

12487746036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040645510 (or 1040645508 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 12487746036 in words is "twelve billion, four hundred eighty-seven million, seven hundred forty-six thousand, thirty-six".