12635630 has 48 divisors (see below), whose sum is σ = 26815536. Its totient is φ = 4273920.

The previous prime is 12635629. The next prime is 12635633. The reversal of 12635630 is 3653621.

It is a self number, because there is not a number n which added to its sum of digits gives 12635630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12635633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52310 + ... + 52550.

It is an arithmetic number, because the mean of its divisors is an integer number (558657).

Almost surely, 2^12635630 is an apocalyptic number.

12635630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12635630 is an abundant number, since it is smaller than the sum of its proper divisors (14179906).

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

12635630 is a wasteful number, since it uses less digits than its factorization.

12635630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 362 counting only the distinct ones).

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

The square root of 12635630 is about 3554.6631345319. The cubic root of 12635630 is about 232.9158088869.

Subtracting from 12635630 its reverse (3653621), we obtain a square (8982009 = 2997²).

The spelling of 12635630 in words is "twelve million, six hundred thirty-five thousand, six hundred thirty".