12945764 has 24 divisors (see below), whose sum is σ = 25683840. Its totient is φ = 5660064.

The previous prime is 12945739. The next prime is 12945767. The reversal of 12945764 is 46754921.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (12945767) 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, 5564 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (1070160).

Almost surely, 2^12945764 is an apocalyptic number.

It is an amenable number.

12945764 is a deficient number, since it is larger than the sum of its proper divisors (12738076).

12945764 is a wasteful number, since it uses less digits than its factorization.

12945764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13139 (or 13137 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 12945764 is about 3598.0222345061. The cubic root of 12945764 is about 234.8060207007.

The spelling of 12945764 in words is "twelve million, nine hundred forty-five thousand, seven hundred sixty-four".