12620630 has 48 divisors (see below), whose sum is σ = 26392176. Its totient is φ = 4308480.

The previous prime is 12620623. The next prime is 12620633. The reversal of 12620630 is 3602621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31592 + ... + 31988.

It is an arithmetic number, because the mean of its divisors is an integer number (549837).

Almost surely, 2^12620630 is an apocalyptic number.

12620630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12620630 is an abundant number, since it is smaller than the sum of its proper divisors (13771546).

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

12620630 is a wasteful number, since it uses less digits than its factorization.

12620630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12620630 is about 3552.5526034107. The cubic root of 12620630 is about 232.8236061095.

Subtracting from 12620630 its reverse (3602621), we obtain a square (9018009 = 3003²).

The spelling of 12620630 in words is "twelve million, six hundred twenty thousand, six hundred thirty".