12659630 has 32 divisors (see below), whose sum is σ = 23760000. Its totient is φ = 4852512.

The previous prime is 12659629. The next prime is 12659657. The reversal of 12659630 is 3695621.

It is a happy number.

12659630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25121 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (742500).

Almost surely, 2^12659630 is an apocalyptic number.

12659630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12659630 is a deficient number, since it is larger than the sum of its proper divisors (11100370).

12659630 is a wasteful number, since it uses less digits than its factorization.

12659630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 12659630 is about 3558.0373803545. The cubic root of 12659630 is about 233.0631816721.

The spelling of 12659630 in words is "twelve million, six hundred fifty-nine thousand, six hundred thirty".