12947964 has 24 divisors (see below), whose sum is σ = 30949968. Its totient is φ = 4210560.

The previous prime is 12947941. The next prime is 12947969. The reversal of 12947964 is 46974921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12667 + ... + 13650.

It is an arithmetic number, because the mean of its divisors is an integer number (1289582).

Almost surely, 2^12947964 is an apocalyptic number.

It is an amenable number.

12947964 is an abundant number, since it is smaller than the sum of its proper divisors (18002004).

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

12947964 is a wasteful number, since it uses less digits than its factorization.

12947964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26365 (or 26363 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12947964 is about 3598.3279450322. The cubic root of 12947964 is about 234.8193209067.

The spelling of 12947964 in words is "twelve million, nine hundred forty-seven thousand, nine hundred sixty-four".