12963205 has 8 divisors (see below), whose sum is σ = 15580152. Its totient is φ = 10354368.

The previous prime is 12963173. The next prime is 12963229. The reversal of 12963205 is 50236921.

12963205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5022081 + 7941124 = 2241^2 + 2818^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12963205 - 2⁵ = 12963173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359 + ... + 5611.

It is an arithmetic number, because the mean of its divisors is an integer number (1947519).

Almost surely, 2^12963205 is an apocalyptic number.

It is an amenable number.

12963205 is a deficient number, since it is larger than the sum of its proper divisors (2616947).

12963205 is an equidigital number, since it uses as much as digits as its factorization.

12963205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 12963205 is about 3600.4451113716. The cubic root of 12963205 is about 234.9114197612.

The spelling of 12963205 in words is "twelve million, nine hundred sixty-three thousand, two hundred five".