12012630 has 32 divisors (see below), whose sum is σ = 32949504. Its totient is φ = 2745696.

The previous prime is 12012629. The next prime is 12012643. The reversal of 12012630 is 3621021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28392 + ... + 28811.

It is an arithmetic number, because the mean of its divisors is an integer number (1029672).

Almost surely, 2^12012630 is an apocalyptic number.

12012630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012630 is an abundant number, since it is smaller than the sum of its proper divisors (20936874).

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

12012630 is a wasteful number, since it uses less digits than its factorization.

12012630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57220.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12012630 is about 3465.9241191925. The cubic root of 12012630 is about 229.0231411306.

Adding to 12012630 its reverse (3621021), we get a palindrome (15633651).

The spelling of 12012630 in words is "twelve million, twelve thousand, six hundred thirty".