12946963 has 4 divisors (see below), whose sum is σ = 13393440. Its totient is φ = 12500488.

The previous prime is 12946951. The next prime is 12946987. The reversal of 12946963 is 36964921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36964921 = 7 ⋅5280703.

It is a cyclic number.

It is not a de Polignac number, because 12946963 - 2⁵ = 12946931 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12946903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223195 + ... + 223252.

It is an arithmetic number, because the mean of its divisors is an integer number (3348360).

Almost surely, 2^12946963 is an apocalyptic number.

12946963 is a deficient number, since it is larger than the sum of its proper divisors (446477).

12946963 is an equidigital number, since it uses as much as digits as its factorization.

12946963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446476.

The product of its digits is 69984, while the sum is 40.

The square root of 12946963 is about 3598.1888499633. The cubic root of 12946963 is about 234.8132694998.

The spelling of 12946963 in words is "twelve million, nine hundred forty-six thousand, nine hundred sixty-three".