12963946 has 8 divisors (see below), whose sum is σ = 19505664. Its totient is φ = 6462060.

The previous prime is 12963943. The next prime is 12963967. The reversal of 12963946 is 64936921.

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

It is a junction number, because it is equal to n+sod(n) for n = 12963899 and 12963908.

It is not an unprimeable number, because it can be changed into a prime (12963943) 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, 9130 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (2438208).

Almost surely, 2^12963946 is an apocalyptic number.

12963946 is a deficient number, since it is larger than the sum of its proper divisors (6541718).

12963946 is a wasteful number, since it uses less digits than its factorization.

12963946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19916.

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

The square root of 12963946 is about 3600.5480138446. The cubic root of 12963946 is about 234.9158956617.

The spelling of 12963946 in words is "twelve million, nine hundred sixty-three thousand, nine hundred forty-six".