12963956 has 12 divisors (see below), whose sum is σ = 22912260. Its totient is φ = 6417600.

The previous prime is 12963943. The next prime is 12963967. The reversal of 12963956 is 65936921.

It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 7107556 = 2420^2 + 2666^2 .

It is a congruent number.

It is an unprimeable number.

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, 15641 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (1909355).

Almost surely, 2^12963956 is an apocalyptic number.

It is an amenable number.

12963956 is a deficient number, since it is larger than the sum of its proper divisors (9948304).

12963956 is a wasteful number, since it uses less digits than its factorization.

12963956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32194 (or 32192 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 12963956 is about 3600.5494025218. The cubic root of 12963956 is about 234.9159560640.

The spelling of 12963956 in words is "twelve million, nine hundred sixty-three thousand, nine hundred fifty-six".