12964947 has 8 divisors (see below), whose sum is σ = 17411520. Its totient is φ = 8580840.

The previous prime is 12964921. The next prime is 12964951. The reversal of 12964947 is 74946921.

12964947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12964947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12964899 and 12964908.

It is not an unprimeable number, because it can be changed into a prime (12964907) 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, 15129 + ... + 15962.

It is an arithmetic number, because the mean of its divisors is an integer number (2176440).

Almost surely, 2^12964947 is an apocalyptic number.

12964947 is a deficient number, since it is larger than the sum of its proper divisors (4446573).

12964947 is a wasteful number, since it uses less digits than its factorization.

12964947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31233.

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

The square root of 12964947 is about 3600.6870177787. The cubic root of 12964947 is about 234.9219417827.

The spelling of 12964947 in words is "twelve million, nine hundred sixty-four thousand, nine hundred forty-seven".