12963558 has 16 divisors (see below), whose sum is σ = 25977600. Its totient is φ = 4312776.

The previous prime is 12963499. The next prime is 12963563. The reversal of 12963558 is 85536921.

It is a Curzon 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, 1791 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (1623600).

Almost surely, 2^12963558 is an apocalyptic number.

12963558 is an abundant number, since it is smaller than the sum of its proper divisors (13014042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12963558 is a wasteful number, since it uses less digits than its factorization.

12963558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its digits is 64800, while the sum is 39.

The square root of 12963558 is about 3600.4941327546. The cubic root of 12963558 is about 234.9135520266.

The spelling of 12963558 in words is "twelve million, nine hundred sixty-three thousand, five hundred fifty-eight".