12964243 has 2 divisors, whose sum is σ = 12964244. Its totient is φ = 12964242.

The previous prime is 12964229. The next prime is 12964261. The reversal of 12964243 is 34246921.

It is a happy number.

12964243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12964243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12964223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6482121 + 6482122.

It is an arithmetic number, because the mean of its divisors is an integer number (6482122).

Almost surely, 2^12964243 is an apocalyptic number.

12964243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12964243 is an equidigital number, since it uses as much as digits as its factorization.

12964243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 12964243 is about 3600.5892573300. The cubic root of 12964243 is about 234.9176895982.

The spelling of 12964243 in words is "twelve million, nine hundred sixty-four thousand, two hundred forty-three".