12963566 has 16 divisors (see below), whose sum is σ = 24243840. Its totient is φ = 5050680.

The previous prime is 12963563. The next prime is 12963569. The reversal of 12963566 is 66536921.

It is an interprime number because it is at equal distance from previous prime (12963563) and next prime (12963569).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12963563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41936 + ... + 42243.

It is an arithmetic number, because the mean of its divisors is an integer number (1515240).

Almost surely, 2^12963566 is an apocalyptic number.

12963566 is a deficient number, since it is larger than the sum of its proper divisors (11280274).

12963566 is a wasteful number, since it uses less digits than its factorization.

12963566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84199.

The product of its digits is 58320, while the sum is 38.

The square root of 12963566 is about 3600.4952437130. The cubic root of 12963566 is about 234.9136003494.

The spelling of 12963566 in words is "twelve million, nine hundred sixty-three thousand, five hundred sixty-six".