12663530 has 16 divisors (see below), whose sum is σ = 24866784. Its totient is φ = 4604880.

The previous prime is 12663493. The next prime is 12663569. The reversal of 12663530 is 3536621.

12663530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12663530.

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, 57452 + ... + 57671.

It is an arithmetic number, because the mean of its divisors is an integer number (1554174).

Almost surely, 2^12663530 is an apocalyptic number.

12663530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12663530 is a deficient number, since it is larger than the sum of its proper divisors (12203254).

12663530 is a wasteful number, since it uses less digits than its factorization.

12663530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115141.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 12663530 is about 3558.5853931022. The cubic root of 12663530 is about 233.0871121526.

The spelling of 12663530 in words is "twelve million, six hundred sixty-three thousand, five hundred thirty".