12310620 has 48 divisors (see below), whose sum is σ = 39395328. Its totient is φ = 2813760.

The previous prime is 12310609. The next prime is 12310621. The reversal of 12310620 is 2601321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12310620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14236 + ... + 15075.

It is an arithmetic number, because the mean of its divisors is an integer number (820736).

Almost surely, 2^12310620 is an apocalyptic number.

12310620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310620 is an abundant number, since it is smaller than the sum of its proper divisors (27084708).

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

12310620 is a wasteful number, since it uses less digits than its factorization.

12310620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29330 (or 29328 counting only the distinct ones).

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

The square root of 12310620 is about 3508.6493127698. The cubic root of 12310620 is about 230.9014403100.

Adding to 12310620 its reverse (2601321), we get a palindrome (14911941).

The spelling of 12310620 in words is "twelve million, three hundred ten thousand, six hundred twenty".