12746011764 has 24 divisors (see below), whose sum is σ = 30301840800. Its totient is φ = 4168506784.

The previous prime is 12746011741. The next prime is 12746011769. The reversal of 12746011764 is 46711064721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746011769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10019814 + ... + 10021085.

It is an arithmetic number, because the mean of its divisors is an integer number (1262576700).

Almost surely, 2^12746011764 is an apocalyptic number.

It is an amenable number.

12746011764 is an abundant number, since it is smaller than the sum of its proper divisors (17555829036).

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

12746011764 is a wasteful number, since it uses less digits than its factorization.

12746011764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20040959 (or 20040957 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 12746011764 in words is "twelve billion, seven hundred forty-six million, eleven thousand, seven hundred sixty-four".